The graph of a polar equation is given. Select the polar equation for the graph.
A. r = 8 cos ?
B. r sin ? = 4
C. r = 8 sin ?
D. r = 4
Answer: D
Mathematics
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Solve the problem.The reliability R of a certain product is found to be 
where t is time of operation in hours. (R = 1 is perfect reliability, and R = 0.5 means there is a 50% chance of a malfunction). Sketch the graph.
A. 
B. 
C. 
D. 
Mathematics
Write as a percent. 1.044
A. 104.4% B. 114.84% C. 1148.4% D. 1044%
Mathematics
Compute, rounding to the nearest tenth.
A. 44.8 B. 5.0 C. 0.2 D. 4.5
Mathematics
Use a double integral to find the area of the region inside the circle 
and outside the cardioid 
. Round your answer to two decimal places.
?
A. 21.56 B. 23.28 C. 9.28 D. 29.28 E. 11.28
Mathematics