Solve the problem.Find the points on the curve 
that are closest to the origin.
A. (8, ±
)
B. (8, 
)
C. (2, 2
)
D. (2, ±2
)
Answer: D
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Replace the polar equation with an equivalent Cartesian equation.r2 = 36r cos ?
A. x = 36 B. (x - 18)2 + y2 = 324 C. x2 + (y - 18)2 = 324 D. (x - 18)2 + y2 = 0
Solve the problem.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being profit and x the number of hotdogs. How many hotdogs must he sell to earn the most profit?
A. 33 hotdogs B. 49 hotdogs C. 32 hotdogs D. 24 hotdogs
Provide an appropriate response.A machine cuts a 12-in. diameter frozen pizza into slices whose sides form 45° angles at the center of the pizza. What is the surface area of each slice to the nearest square inch?
A. 12 in2 B. 15 in2 C. 28 in2 D. 14 in2
Perform the indicated clock arithmetic.(-9) ? (-7) (12-hr clock)
A. 8 B. Does not exist C. 7 D. 12