Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 4 sin ?
A. (x - 2)2 + y2 = 4; circle, radius 2,
center at (2, 0) in rectangular
coordinates
B. (x + 2)2 + y2 = 4; circle, radius 2,
center at (-2, 0) in rectangular
coordinates
C. x2 + (y + 2)2 = 4; circle, radius 2,
center at (0, -2) in rectangular
coordinates
D. x2 + (y - 2)2 = 4; circle, radius 2,
center at (0, 2) in rectangular
coordinates
Answer: D
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Compute dy/dx for the function.y = ln sinh 7x
A. 7 coth 7x
B. coth 7x
C. 7 csch 7x
D. 
Graph the equation.-5y + 2x + 11 = 0
A. 
B. 
C. 
D. 
Solve the problem.It has been determined that the number of fish f(t) that can be caught in t minutes in a certain pond using a certain bait is f(t) = 0.25t + 1, for t > 10. Find the number of fish that can be caught if you fish for 14 minutes. Round your answer to the nearest whole number.
A. 5 fish B. 16 fish C. 18 fish D. 10 fish
Solve the problem.The expected future population of a small town, which currently has 7900 residents, can be approximated by the formula y = 7900(1.6)-0.3twhere t is the number of years in the future. Find the expected population of the town 40 years in the future.
A. 28 B. 3792 C. 0 D. 7900