Solve the problem.A zoom lens in a camera makes a rectangular image on the film that is 
length by 
width. As the lens zooms in and out, the size of the image changes. Find the rate at which the area of the image begins to change 
if the length of the frame changes at 
and the width of the frame changes at
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A. 4.4 cm2/sec
B. 
cm2/sec
C. 5.6 cm2/sec
D. 1.1 cm2/sec
Answer: A
Mathematics
src="https://sciemce.com/media/4/ppg__tttt0530191550__f1q62g5.jpg" alt="" style="vertical-align: -4.0px;" />
A. 4.4 cm2/sec
B. cm2/sec
C. 5.6 cm2/sec
D. 1.1 cm2/sec
Answer: A
Mathematics
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A. 
B. 
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Find the limit of the sequence or determine that the limit does not exist.an = 
A. e2 B. 0 C. does not exist D. ln 2
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Find the inverse of the function.f(x) = -6 - 7x
A. f-1(x) = - 
- 
B. f-1(x) = 1 - x
C. f-1(x) = - 
+ 
D. f-1(x) = 
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Translate the English phrase to a mathematical expression. Let x represent the number.-6 times the sum of twice the number and 2
A. -6(2x - 4) B. -6(2x - 2) C. -6(2x + 2) D. -6(2x + 4)
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