Given the definitions of f(x) and g(x) below, find the value of (gof)(1).
f(x) = 2x² – 2x – 4
g(x) = -5x + 14

Answer:

i need the rest of the problem to figure it out sorry

Step-by-step explanation:

Answer:

60 ounces

Step-by-step explanation:

got i t on edmentum

Step-by-step explanation:

megan thee stallion songs

cardi b's songs

space cadet-gunna

astronaut in the ocean

Flo milli

and my personal favorite

knock knock- sofaygo

Answer:

The answer is m=1 , the slope is 1

Step-by-step explanation:

Answer:

I think it would be 2/11 . hope it helps u ^.^

Answer:

$244.00

Step-by-step explanation:

- gave bank $100

- +6% of $100 per month

- 6% of $100 = $6 (earns $6 per month)

- twelve months in a year, so 12 x $6 = $72 per year

- $100 + $72 + $72 = $244

If Lacey wants to utilize her money to purchase a new bicycle in two years, she will spend $244 on the bike.

It is important to carefully review the calculations and ensure the data has been entered correctly. Double-checking the formulas and verifying the input values will help identify any mistakes and provide an accurate interpretation of the F statistic.

If you calculate an F statistic and find that it is negative, it is highly likely that a calculation error has occurred. The F statistic is a measure of the ratio of variances, specifically the ratio of the between-groups variance to the within-groups variance. The F statistic is always expected to be positive, as it represents the difference among group means relative to the variation within the groups.

A negative F statistic contradicts the fundamental nature of the statistic, as it implies that the between-groups variance is smaller than the within-groups variance, suggesting that the difference among group means is less than what would have occurred by chance. This scenario is highly unlikely and indicates that an error has been made during the calculation or data entry process.

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Answer: Use cylindrical coordinates. Evaluate z dv, where E is enclosed by ... A: Solution:Given∫c3y sinx dx+5xdyFormula:∫cPdx+Qdy=∬ ∂Q∂x-∂P∂y dA ... z) if the midpoint of the line segment joining the two points (x, y, z) and (-6, -5, -4). ... A: A cone is a 3-D shape with a circular base and tapers smoothly over to an

Step-by-step explanation:

The roots of the auxiliary equation for a homogeneous fourth-order linear differential equation with constant coefficients, given that the solution is y = 2 - x + x^2 + 8e^x, are -1, -1, -2, and -2.

For a homogeneous linear differential equation with constant coefficients, the auxiliary equation is obtained by replacing the derivatives of y with powers of the variable. In this case, since the given solution is y = 2 - x + x^2 + 8e^x, we differentiate y with respect to x to obtain the derivatives.

The fourth-order linear differential equation corresponds to the fourth power of the variable, which is x. Therefore, the auxiliary equation is a polynomial equation of degree four. To find the roots of the auxiliary equation, we set the polynomial equal to zero and solve for x.

The roots of the auxiliary equation for this particular solution, after solving the polynomial equation, are -1, -1, -2, and -2. These values represent the roots of the characteristic equation and are crucial in determining the form of the general solution of the differential equation.

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The graph of y = log(z) - 4 is a downward shifted logarithmic function with a vertical asymptote at z = 0.

The equation y = log(z) - 4 represents a logarithmic function. The graph of a logarithmic function typically consists of a vertical asymptote, which is a vertical line that the graph approaches but never crosses. In this case, the vertical asymptote occurs at z = 0, as the logarithm of a negative number is undefined.

The graph is vertically shifted downward by 4 units, which means that the entire graph is shifted downward by 4 units compared to the standard logarithmic function. This shift moves the graph downward parallel to the y-axis.

The domain of the function is the set of positive real numbers (z > 0), as the logarithm is defined only for positive values. The range of the function is all real numbers, as the graph extends infinitely in both the positive and negative y-directions.

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Answer:

between Jupiter and mars

Answer:

Choice A

Step-by-step explanation:

The Asteroid Belt in our Solar System is in-between the planets Jupiter and Mars.

The asteroid belt is a torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars, that is occupied by a great many solid, irregularly shaped bodies, of many sizes but much smaller than planets, called asteroids or minor planets.

Answer:

Slope is -5/3

Step-by-step explanation: when you look at the graph, the line is descending meaning it will be a negative, so we can eliminate the answers that are positive leaving us with 2 options. Then we have to do rise/run, you figure that out by counting how many points the line goes up and to the right or left, and intersects with the line

The exact value of A in the general solution is 1 and B is 7

From the question, we have the following parameters that can be used in our computation:

y = Ax² + Bx + C

The differential equation is given as

y' = 2x + 7

When y = Ax² + Bx + C is differentiated, we have

y' = 2Ax + B

So, we have

2x + 7 = 2Ax + B

By comparing both sides of the equation, we have

2Ax = 2x

B = 7

So, we have

2A = 2

B = 7

Divide both sides of 2A = 2 by 2

A = 1

B = 7

Hence, the value of A in the general solution is 1 and B is 7

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[tex]3^{4m+4}+3^{4m}=246\\ (3^{4}+1)*3^{4m}=246\\82*3^{4m}=246\\3^{4m}=3\\m=\frac{1}{4}[/tex]

Answer:

45°

Step-by-step explanation:

x should be the equivalent angle as the 45° given, as this is a perfect circle, so the distance from the center shouldn't affect the angle

Answer:

Vertex form is: y = ( x + 1 )^2 − 2

Step-by-step explanation:

I'm not sure about the substitution part.

Answer:

g) [tex]u^{4}\cdot v^{-1}\cdot z^{3}[/tex], h) [tex]\frac{(x+4)\cdot (x+2)}{3\cdot (x-5)}[/tex]

Step-by-step explanation:

We proceed to solve each equation by algebraic means:

g) [tex]\frac{u^{5}\cdot v}{z}\div \frac{u\cdot v^{2}}{z^{4}}[/tex]

1) [tex]\frac{u^{5}\cdot v}{z}\div \frac{u\cdot v^{2}}{z^{4}}[/tex] Given

2) [tex]\frac{\frac{u^{5}\cdot v}{z} }{\frac{u\cdot v^{2}}{z^{4}} }[/tex] Definition of division

3) [tex]\frac{u^{5}\cdot v\cdot z^{4}}{u\cdot v^{2}\cdot z}[/tex]   [tex]\frac{\frac{a}{b} }{\frac{c}{d} } = \frac{a\cdot d}{b\cdot c}[/tex]

4) [tex]\left(\frac{u^{5}}{u} \right)\cdot \left(\frac{v}{v^{2}} \right)\cdot \left(\frac{z^{4}}{z} \right)[/tex]  Associative property

5) [tex]u^{4}\cdot v^{-1}\cdot z^{3}[/tex]   [tex]\frac{a^{m}}{a^{n}} = a^{m-n}[/tex]/Result

h) [tex]\frac{x^{2}-16}{x^{2}-10\cdot x + 25} \div \frac{3\cdot x - 12}{x^{2}-3\cdot x -10}[/tex]

1) [tex]\frac{x^{2}-16}{x^{2}-10\cdot x + 25} \div \frac{3\cdot x - 12}{x^{2}-3\cdot x -10}[/tex] Given

2) [tex]\frac{\frac{x^{2}-16}{x^{2}-10\cdot x+25} }{\frac{3\cdot x - 12}{x^{2}-3\cdot x - 10} }[/tex] Definition of division

3) [tex]\frac{(x^{2}-16)\cdot (x^{2}-3\cdot x -10)}{(x^{2}-10\cdot x + 25)\cdot (3\cdot x - 12)}[/tex]  [tex]\frac{\frac{a}{b} }{\frac{c}{d} } = \frac{a\cdot d}{b\cdot c}[/tex]

4) [tex]\frac{(x+4)\cdot (x-4)\cdot (x-5)\cdot (x+2)}{3\cdot (x-5)^{2}\cdot (x-4) }[/tex] Factorization/Distributive property

5) [tex]\left(\frac{1}{3} \right)\cdot (x+4)\cdot (x+2)\cdot \left(\frac{x-4}{x-4} \right)\cdot \left[\frac{x-5}{(x-5)^{2}} \right][/tex] Modulative and commutative properties/Associative property

6) [tex]\frac{(x+4)\cdot (x+2)}{3\cdot (x-5)}[/tex]  [tex]\frac{a^{m}}{a^{n}} = a^{m-n}[/tex]/[tex]\frac{a}{b}\times \frac{c}{d} = \frac{a\cdot c}{b\cdot d}[/tex]/Definition of division/Result

If a population proportion p = 0.68, the expected value and the standard error of p' with n = 30 is 0.68 and 0.090 respectively.

To calculate the expected value and standard error of the sample proportion p' with a known population proportion p = 0.68 and a sample size n = 30, we use the formulas:

Expected value of p' (E[p']) = p

Standard error of p' (SE[p']) = √((p * (1 - p)) / n)

Given that the population proportion p = 0.68 and the sample size n = 30, we can substitute these values into the formulas:

E[p'] = p = 0.68

SE[p'] = √((p * (1 - p)) / n) = √((0.68 * (1 - 0.68)) / 30) = √(0.2176 / 30) ≈ 0.090

Therefore, the expected value of the sample proportion p' is 0.68, indicating that, on average, we expect the sample proportion to be equal to the population proportion.

The standard error of the sample proportion is approximately 0.090, representing the estimated standard deviation of the sampling distribution of p' and indicating the variability in the estimates of p'.

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Step-by-step explanation:

1/2(7x+48) = 7x ÷2 +48÷2 = 7x÷2 + 24

and

-(1/2x-3)+4(x+5) = 7x ÷2 + 46÷2 = 7x÷2 +23

The null space of a matrix is the set of all vectors that satisfy the equation Ax = 0.

The null space of a matrix is the set of all vectors that satisfy the equation Ax = 0. In other words, the null space of a matrix A is the set of all solutions x to the equation Ax = 0. The null space of a matrix is also known as the kernel of a matrix. It is a subspace of the vector space R^n. The null space of a matrix can be used to determine if a system of linear equations has a unique solution, no solution, or infinitely many solutions. If the null space of a matrix is the zero vector, then the system has a unique solution. If the null space of a matrix is non-empty, then the system has infinitely many solutions. A matrix is an array of numbers that has been set up in rows and columns to make a rectangular shape. The elements, or entries, of the matrix are the integers. In addition to numerous mathematical disciplines, matrices find extensive use in the fields of engineering, physics, economics, and statistics. In computer graphics, where they have been used to describe picture rotations and other transformations, matrices have vital applications as well.

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Answer:

5/9

Step-by-step explanation:

Number of accountants = 20

Number of economists = 12

Number of secretaries = 4

Total number of Staffs = 20 + 12 + 4 = 36 staffs

Probability = required outcome / Total possible outcomes

Required outcome = number of accountants

Total possible outcomes = total number of staffs

P(selecting an economist) = 20 / 36 = 5 / 9

The probability that the staff is an accountant is 5/9.

Given

A company staff consists of 20 accountants, 12 economists and 4 secretaries. a staff is chosen at random.

Probability is defined as the number of observations and total number of observation.

Total number of Staffs = 20 + 12 + 4 = 36 staffs.

The following formula is used to determine the probability;

[tex]\rm Probability=\dfrac{Accountant \ staff}{Total \ number \ of \ staff}[/tex]

Substitute all the values in the formula;

[tex]\rm Probability=\dfrac{Accountant \ staff}{Total \ number \ of \ staff}\\\\\rm Probability=\dfrac{20}{36}\\\\\rm Probability=\dfrac{5}{9}[/tex]

Hence, the probability that the staff is an accountant is 5/9.

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Answer:

27/86

Step-by-step explanation:

the difference is multiplying by 3. next number is

27/86

The number of labeled bonsai forests with n vertices and k trees is given by (3)^(kn-k).

The number of labeled bonsai forests with n vertices and k trees is (3)^(kn-k).

To understand why this is the case, let's break it down step by step.

First, let's consider a single bonsai tree with a root and n-1 other vertices connected to the root.

Each of these n-1 vertices can have one of three choices: either it is connected to the root, it is not connected to the root, or it is the root itself. Therefore, for a single bonsai tree, we have 3^(n-1) possibilities.

Now, if we have k bonsai trees, we can treat each tree as an independent entity. Therefore, the total number of labeled bonsai forests with k trees would be the product of the number of possibilities for each individual tree.

Hence, the total number of labeled bonsai forests with n vertices and k trees is (3)^(n-1) * (3)^(n-1) * ... * (3)^(n-1) (k times), which can be written as (3)^(kn-k).

In simpler terms, for each vertex in the bonsai forest, there are three possible choices: being connected to the root, not connected to the root, or being the root itself. As each vertex is independent and has the same three choices, the total number of possibilities for the entire forest is calculated by multiplying the number of possibilities for each vertex (3) by itself (n-1) times, for a total of kn-k times.

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The distinction between parameters and statistics is crucial for inferential statistics, the correct is option D.

The population of interest in the scenario,

1."For all named storms that have made landfall in the United States since 2000, of interest is to determine the mean sustained wind speed of the storms at the time they made landfall," is:

all named storms that have made landfall in the United States since 2000.

5.The correct answer is D. Statistic.

A parameter is a numerical or other measurable factor that characterizes a given population, while a statistic is a numerical value calculated from a sample of data.

Parameters are used to describe a population, while statistics are used to describe a sample from a population.

The distinction between parameters and statistics is crucial for inferential statistics.

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Answer:

y = -4

Step-by-step explanation:

dy/dx gives you slope

(-4)-(-4)/5-3 = 0/2  ----> slope = 0

y = mx+b

m = 0

y = 0x+b

y = b

as it says F(3) and F(5) = -4 b must be -4

so you end up with y = -4

The given model represents exponential growth as the base is greater than 1. Hence, the population will increase every year.

When a quantity grows or increases at a constant rate per unit of time, it is called exponential growth.Exponential decay: When a quantity decreases at a constant rate per unit of time, it is called exponential decay.The given model for population growth isy = 494.29(1.03)t, where t is the number of years since the beginning of the decade. Here, the base of the exponential is 1.03, which is greater than 1. So, the given model represents exponential growth.The annual percent increase in population is 3% (as 1.03 is a 3% increase in each year).c. We need to estimate when the population was about 590,000. To do this, we need to substitute y = 590 in the given equation and solve for t.494.29(1.03)t = 5904.31t = log(590/494.29) / log(1.03) = 12.91 years approximatelyTherefore, the population was about 590,000 in the 13th year, i.e., after 12 years (as it is given that t is the number of years since the beginning of the decade).

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The t-test allows us to evaluate whether the mean points scored by the team were significantly different between the scenarios with and without Joe.

To test the claim that the mean points scored by the team were significantly greater when Joe played, we can perform a t-test for independent samples.

Let's denote the mean number of points scored by the team when Joe played as mu1 and the mean number of points scored when Joe did not play as  mu2. The null hypothesis (H0) is that μ1 is not significantly greater than mu2, and the alternative hypothesis (H1) is that μ1 is significantly greater than mu2.

To perform the t-test, we need the sample means, standard deviations, and sample sizes for both scenarios (with Joe and without Joe). From the given data, we have the following:

With Joe:

Sample mean (x1) = 74.1

Sample standard deviation (s1) = 12.5

Sample size (n1) = 12

Without Joe:

Sample mean (x2) = 65.7

Sample standard deviation (s2) = 38.2

Sample size (n2) = 16

Now we can calculate the test statistic using the formula:

t = (x1 - x2) / sqrt((s1^2 / n1) + (s2^2 / n2))

Plugging in the values, we get:

t = (74.1 - 65.7) / sqrt((12.5^2 / 12) + (38.2^2 / 16))

Next, we determine the degrees of freedom (df) for the t-distribution. Since the sample sizes are different for the two scenarios, we use the approximate formula:

df = ((s1^2 / n1 + s2^2 / n2)^2) / ((s1^2 / n1)^2 / (n1 - 1) + (s2^2 / n2)^2 / (n2 - 1))

Plugging in the values, we get:

df = ((12.5^2 / 12 + 38.22 / 16)^2) / ((12.5^2 / 12)^2 / (12 - 1) + (38.2^2 / 16)^2 / (16 - 1))

After calculating the t-value and degrees of freedom, we can compare the t-value to the critical value from the t-distribution at the desired significance level (0.05). If the t-value is greater than the critical value,  and reject the null hypothesis and conclude that the mean points scored by the team were significantly greater when Joe played.

The specific calculations will depend on the actual data provided, but this explanation provides a general framework for performing the test.

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All the graph of equations are shown in figure.

We have to given that,

All the quadratic equations are,

1) y = 1 - 2x + x²

2) y = 1 + 2x + x²

3) y = 1 + x²

4) y = 1 - x²

5) y = 1 + 3x²

We can see that,

All the equation form a quadratic equation.

Hence, Each graph shows a parabola.

Therefore, All the graph of equations,

1) y = 1 - 2x + x²

2) y = 1 + 2x + x²

3) y = 1 + x²

4) y = 1 - x²

5) y = 1 + 3x²

are shown in figure.

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