Find the limit.
9 cos 
A. 1
B. - 9
C. 9
D. 0
Answer: B
Mathematics
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A sphere is to be painted. How much surface area must be covered if the radius is 3.6 feet? Leave the answer in terms of p .
What will be an ideal response?
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Find the exact value of y, or state that y is undefined.y = tan-1 
A. 
B. 
C. 
D. 
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Solve the problem.A force of 1100 lb compresses a spring from its natural length of 16 in. to a length of 12 in. How much work is done in compressing it from 12 in. to 9 in.?
A. 9100 in.-lb B. 0.060 in.-lb C. 1200 in.-lb D. 4500 in.-lb
Mathematics