Match the given graph with its polynomial function.
A. f(x) = -3x3 - 10x2 + 5x + 12
B. f(x) = -3x5 + 2x4 - x2 + 2x - 12
C. f(x) = 2x3 - 12x2 - 5x - 12
D. f(x) = x4 - 2x2 - 3x + 12
Answer: A
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A. y2 = -0.2x B. x2 = -0.7y C. x2 = -0.2y D. y2 = -0.7x
Solve the problem.A bicycle wheel rotates 500 times in a minute as long as the rider is pedalling. If the rider stops pedalling, the wheel starts to slow down. Each minute it will rotate only 2/3 as many times as in the preceding minute. How many times will the wheel rotate in the 4th minute after the rider's feet leave the pedals? Round your answer to the nearest unit.
A. 19 times B. 0 times C. 148 times D. 99 times
Find the indicated composition.f(x) = 4x2 + 2x + 4; g(x) = 2x - 3Find (g ? f)(x).
A. (g ? f)(x) = 8x2 + 4x + 5 B. (g ? f)(x) = 4x2 + 4x + 5 C. (g ? f)(x) = 8x2 + 4x + 11 D. (g ? f)(x) = 4x2 + 2x + 1
For what real values of x does the expression  figure 1.png)
represent an imaginary number?
 figure 2.png)