Find the y-intercept of the polynomial function.f(x) = 9x - x3
A. -9
B. 0
C. 9
D. -1
Answer: B
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Write the first four terms of {an}.an = 
A. 0, 
, 
, 
B. ln 2, 
, 
, 
C. 0, 
, 
, 
D. 
, 
, 
, 
Find the absolute extreme values of the function on the interval.f(x) = |x - 5|, 3 ? x ? 8
A. absolute maximum is 3 at x = 8; absolute minimum is 2 at x = 3 B. absolute maximum is -2 at x = 3; absolute minimum is 3 at x = 8 C. absolute maximum is 3 at x = 8; absolute minimum is 0 at x = 5 D. absolute maximum is 2 at x = 3; absolute minimum is 0 at x = 5
Solve the problem.How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 9 members?
A. 24 B. 3024 C. 36 D. 126
For the given rectangular equation, write an equivalent polar equation.xy = 1
A. 2r sin ? cos ? = 1 B. r sin 2? = 2 C. 2r2sin ? cos ? = 1 D. r2sin 2? = 2