A ladder is 25 feet long and is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of 2 feet per second. Use this information to complete exercises 13-15. 13. How fast is the top of the ladder moving down the wall when its base is 15 feet from the wall? 14. Consider the triangle formed by the side of the house, the ladder and the ground. Find the rate at which the area of the triangle is changing when the ladder is 9 feet from the wall
A ladder is 25 feet long and is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of 2 feet per second. Use this information to complete exercises 13-15. 13. How fast is the top of the ladder moving down the wall when its base is 15 feet from the wall? 14. Consider the triangle formed by the side of the house, the ladder and the ground. Find the rate at which the area of the triangle is changing when the ladder is 9 feet from the wall
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 44SE: At the start of a trip, the odometer on a car read 21,395. At the end of the trip, 13.5 hours later,...
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Need help on 13, 14, and 15
Transcribed Image Text:15. Find the rate at which the angle between the ladder and the ground is changing when the base of
the ladder is 7 feet from the wall.
Transcribed Image Text:A ladder is 25 feet long and is leaning against the wall of a house. The base of the ladder is pulled away
from the wall at a rate of 2 feet per second. Use this information to complete exercises 13-15.
13. How fast is the top of the ladder moving down the wall when its base is 15 feet from the wall?
14. Consider the triangle formed by the side of the house, the ladder and the ground. Find the rate at
which the area of the triangle is changing when the ladder is 9 feet from the wall.
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