CALCULUS HELP word problem!!! Q7?
A 29 foot ladder is leaning against a house. The base of the ladder is pulled away from the house at a rate of 4 feet per second. How fast is the top of the ladder moving down the wall when the base is 21 feet from the house? Round your answer to two decimal places.
a) -4.20 ft/sec
b) -0.24 ft/sec
c) -5.25 ft/sec
d)0.24 ft/sec
e) 4.20 ft/sec
A 29 foot ladder is leaning against a house. The base of the ladder is pulled away from the house at a rate of 4 feet per second. How fast is the top of the ladder moving down the wall when the base is 21 feet from the house? Round your answer to two decimal places.
a) -4.20 ft/sec
b) -0.24 ft/sec
c) -5.25 ft/sec
d)0.24 ft/sec
e) 4.20 ft/sec