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A ladder 15 ft long leans against a vertical wall. If the lower end is being moved away from the wall at the rate of 4 ft/sec, how fast is the height of the top changing (this will be a negative rate) when the lower end is 9 feet from the wall? The height of the top is changing at a rate of (Simplify your answer.) ... ft/sec sec 15 ft ft X when the lower end is 9 feet from the wall. 15 ft y

A ladder 15 ft long leans against a vertical wall. If the lower end is being moved away from the wall at the rate of 4 ft/sec, how fast is the height of the top changing (this will be a negative rate) when the lower end is 9 feet from the wall? The height of the top is changing at a rate of (Simplify your answer.) ... ft/sec sec 15 ft ft X when the lower end is 9 feet from the wall. 15 ft y

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 45SE: A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the...
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A ladder 15 ft long leans against a vertical wall. If the lower end is being moved away from the wall at the rate of 4 ft/sec, how fast is the height of the top changing (this will be a negative rate) when the lower end is 9 feet from the wall? The height of the top is changing at a rate of (Simplify your answer.) ft/sec sec 15 ft ft 15 ft when the lower end is 9 feet from the wall. X y
Transcribed Image Text:A ladder 15 ft long leans against a vertical wall. If the lower end is being moved away from the wall at the rate of 4 ft/sec, how fast is the height of the top changing (this will be a negative rate) when the lower end is 9 feet from the wall? The height of the top is changing at a rate of (Simplify your answer.) ft/sec sec 15 ft ft 15 ft when the lower end is 9 feet from the wall. X y
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