Solve the problem.A musician plans to perform 4 selections. In how many ways can she arrange the musical selections?
A. 16
B. 32
C. 12
D. 24
Answer: D
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Graph the linear equation. Give the x- and y-intercepts.y + 5x = 0
A. x-intercept: (0, 0); y-intercept: (0, 0)
B. x-intercept: (0, 0); y-intercept: (0, 0)
C. x-intercept: (0, 0); y-intercept: (0, 0)
D. x-intercept: (0, 0); y-intercept: (0, 0)
Solve the problem.A camera costs $170. If the sales tax rate is 4%, what is the total price including tax? Round your answer to the nearest cent.
A. $178.50 B. $238.00 C. $175.10 D. $176.80
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
For the given functions f and g, find the requested composite function.f(x) = 4x2 + 4x + 7, g(x) = 4x - 3;
Find (g ? f)(x).
A. 16x2 + 16x + 31 B. 4x2 + 16x + 25 C. 4x2 + 4x + 4 D. 16x2 + 16x + 25