The intensity, I, of a light source varies inversely with the square of the distance from the source. When the distance is multiplied by a factor of 4, by what factor does the intensity change? O Decreases the value of /by a factor of 8. Decreases the value of /by a factor of 16. O Increases the value of /by a factor of 8. O Increases the value of /by a factor of 16.
The intensity, I, of a light source varies inversely with the square of the distance from the source. When the distance is multiplied by a factor of 4, by what factor does the intensity change? O Decreases the value of /by a factor of 8. Decreases the value of /by a factor of 16. O Increases the value of /by a factor of 8. O Increases the value of /by a factor of 16.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 2E
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