Find the limit.
sech x
A. -?
B. ?
C. 0
D. 1
Answer: C
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Evaluate the given function with the following information: sin ? = 
(? in first quadrant) and cos ? = - 
(? in second quadrant).cos(? + ?)
A. - 
B. - 
C. 
D. - 
Solve the problem.A loan made on September 28 is due on March 15. Find the exact time for the loan in a non-leap year.
A. 168 days B. 167 days C. 172 days D. 138 days
Evaluate the expression.
?
?
A. 1 B. 1,440 C. 6 D. 720 E. none of the above
The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
How many binoculars must be produced and sold for the company to break even?
A. 750 binoculars B. 1500 binoculars C. 2250 binoculars D. 2700 binoculars