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A ladder 25 feet long is leaning against a wall of a house. The base of the ladder is pulled away from the wall at the rate of 2 ft/s. How fast is the top of the ladder moving down when its base is 7 feet from the wall? (A 7/12 ft/s B 7/13 ft/s © None of the given choices 5/12 ft/s E) 5/13 ft/s

A ladder 25 feet long is leaning against a wall of a house. The base of the ladder is pulled away from the wall at the rate of 2 ft/s. How fast is the top of the ladder moving down when its base is 7 feet from the wall? (A 7/12 ft/s B 7/13 ft/s © None of the given choices 5/12 ft/s E) 5/13 ft/s

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A ladder 25 feet long is leaning against a wall of a house. The base of the ladder is pulled away from the wall at the rate of 2 ft/s. How fast is the top of the ladder moving down when its base is 7 feet from the wall? (A) 7/12 ft/s B) 7/13 ft/s C None of the given choices (D) 5/12 ft/s E) 5/13 ft/s
Transcribed Image Text:A ladder 25 feet long is leaning against a wall of a house. The base of the ladder is pulled away from the wall at the rate of 2 ft/s. How fast is the top of the ladder moving down when its base is 7 feet from the wall? (A) 7/12 ft/s B) 7/13 ft/s C None of the given choices (D) 5/12 ft/s E) 5/13 ft/s
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