Solve the problem.For what values of ? (0 ? ? < 2?) do maximum r-values occur on the graph of the polar equation 
Note that a maximum r-value occurs at a point that is the maximum distance from the pole.
A. 0, ?
B. 
, 
C. 0
D. ?
Answer: D
Mathematics
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Use linear interpolation to find the indicated value.The radius of a cone of fixed volume is related to the height according to the following table:
If the radius is 4.13 cm what is the height?
A. 7.532 cm B. 7.525 cm C. 7.475 cm D. 7.500 cm
Mathematics
Solve the rational inequality. Express the solution in interval notation.
< 0
A. (6, ?) B. (-4, 6) C. (-?, -4) D. (-?, -4) ? (6, ?)
Mathematics
Factor the expression completely.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Provide an appropriate response.For 6, x, 7 to be an arithmetic sequence, x must be:
A. 6.33333333 B. 6.66666667 C. 6.5 D. 0.5
Mathematics