A -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
, where x is the distance between the base of the ladder and the house. Find the rate r when x is
feet.
A)
ft/sec
B)
ft/sec
C)
D)
ft/sec
E)
ft/sec
Correct Answer:
Verified
Q1: Use a graphing utility to graph the
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