Simplify.
- 
- 
- 
A. 1
B. 27
C. 
D. 
Answer: B
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Find the area of the region specified in polar coordinates.the smaller loop of the curve r = 8 + 16 sin ?
A. 16(2? + 3
)
B. 32(2? - 3
)
C. 16(2? - 3
)
D. 32(2? + 3
)
Use the graph of f to sketch a graph of the inverse of f using a dashed curve.
A. 
B. 
C. 
D. 
Factor the expression completely. If the polynomial is prime, state this as your answer.1000x3 + 343y3
A. (10x + 7y)(100x2 + 70xy + 49y2) B. (1000x - 7y)(x2 + 70xy + 49y2) C. (10x - 7y)(100x2 + 70xy + 49y2) D. (10x + 7y)(100x2 - 70xy + 49y2)
Solve the problem.In 1995 the United States recovered 20% of its municipal solid wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits this data.
A. P(t) = 0.6t + 17 B. P(t) = 0.3t - 17 C. P(t) = 0.6t + 24 D. P(t) = -0.6t + 7