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Home Q & A Board Science-Related Homework Help Mathematics Calculus
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sxllykxm sxllykxm
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2 years ago
Solve the problem. Round your answer, if appropriate.

As the zoom lens in a camera  moves in and out, the size of the rectangular image changes. Assume that the current image is 4 cm × 3 cm. Find the rate at which the area of the image is changing (dA/df) if the length of the image is changing at 0.6 cm/s and the width of the image is changing at 0.2 cm/s.

▸ 5.2  cm2/sec

▸ 6.0  cm2/sec

▸ 3.0  cm2/sec

▸ 2.6  cm2/sec
Textbook 
Calculus: Early Transcendentals

Calculus: Early Transcendentals


Edition: 3rd
Authors:
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MAry1395MAry1395
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sxllykxm Author
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2 years ago
You make an excellent tutor!
my life
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Yesterday
Good timing, thanks!
Katey_maree
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2 hours ago
Brilliant ツ
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