A trough filled with water is 2 m long and has a cross section in the shape of an isosceles trapezoid 30 cm wide at the bottom, 60 cm wide at the top, and a height of 50 cm. If the through leaks water at the rate of 2000 cm/min, how fast is the water level falling when the water is 20 cm deep ? A. -5/21 cm/s B. -3/45 cm/s C. -4/23 cm/s D. -3/54 cm/s

A trough filled with water is 2 m long and has a cross section in the shape of an isosceles trapezoid 30 cm wide at the bottom, 60 cm wide at the top, and a height of 50 cm. If the through leaks water at the rate of 2000 cm/min, how fast is the water level falling when the water is 20 cm deep ? A. -5/21 cm/s B. -3/45 cm/s C. -4/23 cm/s D. -3/54 cm/s

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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