Match the graph to one of the polar equations. 
A. r = 6 sin ?
B. r = 3 + sin ?
C. r = 3 + cos ?
D. r = 6 cos ?
Answer: C
Mathematics
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Factor completely. If the polynomial is prime, say so.16p4 - 81q4
A. (2p + 3q)(2p - 3q)(4p2 + 9q2) B. (2p + 3q)3(2p - 3q) C. (2p + 3q)(2p - 3q)(4p2 - 9q2) D. (2p + 3q)(2p + 3q)(4p2 - 9q2)
Mathematics
Solve the problem.The price p and the quantity x sold of a certain product obey the demand equation: 
What is the revenue to the nearest dollar when 500 units are sold?
A. $170,000 B. $64,286 C. $135,714 D. $20,000
Mathematics
Solve the exponential equation by taking the logarithm on both sides. Express the solution set in terms of logarithms.e(x + 8) = 6
A. {e48} B. {ln 6 - 8} C. {e6 + 8} D. {ln 14}
Mathematics
Graph the system of inequalities.3x + 2y ? -6 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics