Modeling Using Variation · Exercise 62
Use the given information to answer the questions.
The intensity of light measured in foot-candles varies inversely with the square of the distance from the light source. Suppose the intensity of a light bulb is 0.08 foot-candles at a distance of 3 meters. Find the intensity level at 8 meters.
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OpenStax, Algebra and Trigonometry 2e · §5.8 Modeling Using Variation · Exercise 62
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