Simplify.
A.
5x |
B. 3x2
C. 75x
D. 5
Answer: A
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Solve the problem.A promotional deal for long distance phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $46 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 1220 min B. 6 min C. 2 min D. 620 min
If the sequence is geometric, find the common ratio r. If the sequence is not geometric, say so.81, -27, 9, -3, . . .
A. -3
B. - 
C. - 
D. 
Evaluate the function at the indicated value.Find f(1) when f(x) = x2 + 3x + 2.
A. 6 B. 0 C. -4 D. 2
Use the rational zero test to find all the rational zeros of f(x).f(x) = 4x4 + 16x3 - 21x2 - 4x + 5
A. Zeros: 1, -5, 1/2, -1/2 B. Zeros: -1, 5, -1/2, 1/2 C. Zeros: -1, -5, 1/2, -1/2 D. Zeros: 1, -5, 2, -2