Question

In: Math

Given gx= 3x-6x+1 find g-1(x) 2. The intensity of light varies inversely as the square of...

  1. Given gx= 3x-6x+1 find g-1(x)

2.

  1. The intensity of light varies inversely as the square of the distance from its source. How much farther from the light must an object be moved to receive one-fourth the amount of light it now receives if it is now 2 ft. from the light?

Solutions

Expert Solution

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So we have,

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.

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.

​​​​​​.

So the object must be moved 2 ft. further to receive one-fourth the amount of light it now receives.


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