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 (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
Problem 83E
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Transcribed Image Text: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.
![Compute the average rate of change in the function f(x)= x³ + 7x²-12 on
the interval [4, 6].
O 146 units of ffor every one-unit increase in x
O-146 units of ffor every one-unit increase in x
310 units of ffor every one-unit increase in x
O-310 units of ffor every one-unit increase in x](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F95d97c5e-3d5e-4312-8094-1e594bc4d0ee%2Fdbb36eaa-3579-4fef-bb4c-41171ede3505%2F3nyytu6_processed.png&w=3840&q=75)
Transcribed Image Text:Compute the average rate of change in the function f(x)= x³ + 7x²-12 on
the interval [4, 6].
O 146 units of ffor every one-unit increase in x
O-146 units of ffor every one-unit increase in x
310 units of ffor every one-unit increase in x
O-310 units of ffor every one-unit increase in x
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