Chapter2: Equations And Inequalities
Section2.3: Models And Applications
Problem 20SE: Ben starts walking along a path at 4 mi/h. One and a half hours after Ben leaves, his sister Amanda...
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On a dark night, a 6 ft tall person is walking away from a 16 foot tall street light . If the man is walking at a rate of 4ft/s, how fast will the length of his shadow be changing when he is 45 feet from the light?
a) Draw a picture that shows what is going on and label the important variables.
b) Set up an equation relating to the variables.
c) Solve
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