4. A spotlight is on the ground 20 feet away from a wall and a 6-ft tall person is walking towards the wall at a rate of 4 ft/sec. How fast is the height of the shadow on the wall changing when the person is 8 feet from the wall?

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
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Chapter10: Exponential And Logarithmic Functions
Section10.5: Solve Exponential And Logarithmic Equations
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4.
A spotlight is on the ground 20 feet away from a wall and a 6-ft tall person is walking
towards the wall at a rate of 4 ft/sec. How fast is the height of the shadow on the wall
changing when the person is 8 feet from the wall?
Transcribed Image Text:4. A spotlight is on the ground 20 feet away from a wall and a 6-ft tall person is walking towards the wall at a rate of 4 ft/sec. How fast is the height of the shadow on the wall changing when the person is 8 feet from the wall?
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