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boy 5 feet tall walks at a rate of 3 feet/sec towards a streetlamp that is 12 feet above the ground. What is the rate of change of the tip of his shadow? What is the rate of change of the length of his shadow?

boy 5 feet tall walks at a rate of 3 feet/sec towards a streetlamp that is 12 feet above the ground. What is the rate of change of the tip of his shadow? What is the rate of change of the length of his shadow?

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 14P
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A boy 5 feet tall walks at a rate of 3 feet/sec towards a streetlamp that is 12 feet above the ground.

  • What is the rate of change of the tip of his shadow?
  • What is the rate of change of the length of his shadow?
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