The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a relative maximum. What are the relative maxima?
A. f has a relative maximum at x = 3; the relative maximum is 2
B. f has a relative maximum at x = -3 and 3; the relative maximum is 0
C. f has a relative maximum at x = 0; the relative maximum is 2
D. f has no relative maximum
Answer: C
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Factor, if possible.20xy3 - 3xy2 - 9xy
A. xy(4y + 3)(5y - 3) B. xy(4y - 3)(5y + 3) C. y(4xy - 3y)(5x - 3x) D. y(4xy - 3)(5y + 3x)
Perform the indicated operations.
- 
A. - 
x2y + 
B. 
x2y + 
C. 
x2y + 
D. - 
x2y + 
Use a calculator to approximate the root to the nearest thousandth.-
A. -2.858 B. -2.850 C. -2.872 D. -2.840
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 13x5 - 8x4 + 6
A. Yes; degree 10 B. Yes; degree 5 C. No; the last term has no variable D. Yes; degree 9