Find the exact value of the composition.sin (arctan (2))
A. 
B. 2
C. 5
D. 
Answer: D
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Simplify the expression.
?
?
A. 4 B. 16 C. 24 D. 6 E. none of these
Solve the problem.A firm estimates that it will sell N units of a product after spending x dollars on advertising, where N(x) = -x2 + 150x + 11, 0 ? x ? 150, and x is in thousands of dollars. Find the relative extrema of the function.
A. relative maximum at (75, 5636) B. relative maximum at (75, 16,886) C. relative minimum at (75, 16,886) D. relative minimum at (75, 5636)
Solve the problem.The First Commerce Bank pays 5% simple interest per year on money market accounts. What is the annual income on a money market account of 
? Round to the nearest dollar.
A. $130 B. $3250 C. $32,500 D. $1300
Answer the question or write an explanation.Why is the slope of a horizontal line zero? Give an example.
What will be an ideal response?