Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.
A. 1
B. -sec x
C. sec x
D. csc x
Answer: C
Mathematics
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Find the length of the following curve.x = 3e
y + 
e-
y, for 0 ? y ? 
A. 
B. 
C. 
D. 
Mathematics
Find the limit.
A. 
B. 
C. 
D. Does not exist
Mathematics
Solve the problem.The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x) = 4x2 - 32x + 144. Find the number of automobiles that must be produced to minimize the cost.
A. 8 thousand automobiles B. 80 thousand automobiles C. 4 thousand automobiles D. 16 thousand automobiles
Mathematics
Simplify the expression.2-5 ? 22
A. 4
B. 
C. 
D. 8
Mathematics