If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.16x2 - 9
A. (4x + 3)2
B. Prime
C. (4x - 3)2
D. (4x + 3)(4x - 3)
Answer: D
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Find the absolute extreme values of the function on the interval.f(x) = 3x4/3, -27 ? x ? 1
A. absolute maximum is 243 at x = -27 ; absolute minimum is 3 at x = 1 B. absolute maximum is 243 at x = -27 ; absolute minimum is 0 at x = 0 C. absolute maximum is 81 at x = -27 ; absolute minimum is 0 at x = 0 D. absolute maximum is 3 at x = 1 ; absolute minimum is 0 at x = 0
Evaluate.(-7)3
A. 21 B. 343 C. -21 D. -343
Solve the problem. Round to the nearest tenth of a percent, if necessary.By switching service providers, a family's telephone bill decreased from about $50 a month to about $45. What was the percent of decrease?
A. 11%
B.
| 5% |
C. 10%
D. 11.1%
Find the best buy and give the unit price.Brand A 20 oz for $3.40Brand B 24 oz for $4.32
A. Brand B, $0.18 B. Equal value C. Brand A, $0.18 D. Brand A, $0.17