Determine if the function is a power function. If it is, then state the power and constant of variation.f(x) = -11
A. Power is 0; constant of variation is -11
B. Power is -11; constant of variation is 0
C. Power is 0; constant of variation is 11
D. Not a power function
Answer: D
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local maximum at x = 3; local minimum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) B. Local minimum at x = 3; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0) C. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) D. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0)
Evaluate the expression.
A. 
B. 
C. 
D. 
Write the repeating decimal number as a fraction.0.0149149149 . . .
A. 
B. 
C. 
D. 
Find the y-intercept of the polynomial function.f(x) = -x2(x + 4)(x - 9)
A. -9 B. -36 C. 36 D. 0