A 35-foot ladder is leaning against a house (see figure) .If the base of the ladder is pulled away from the house at a rate of 2 feet per second,the top will move down the wall at a rate of
ft/sec,where x is the distance between the base of the ladder and the house.Find the rate r when x is 28 feet.
ft
A)
ft/sec
B)
ft/sec
C)
ft/sec
D)
ft/sec
E)
ft/sec
Correct Answer:
Verified
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