Solve the problem.If f(?) = cot ? and f(a) = 4, find the exact value of f(a) + f(a + ?) + f(a + 3?).
A. 12 + 4?
B. 4
C. 12
D. undefined
Answer: C
Mathematics
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?Graph the piecewise-defined function 
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What will be an ideal response?
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Perform the indicated operation.61.82 + 0.81 + 9.29 + 2.36
A. 74.38 B. 74.29 C. 75.28 D. 74.28
Mathematics
Simplify the fraction to lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Find the number of terms in the arithmetic sequence.5, 
, 4, . . . , -7
A. 24 B. 26 C. 25 D. 23
Mathematics