Kayleigh H.

asked • 11/01/17

Determine the following: 1) the intensity of light 3m from the flash bulb. 2) the average rate of change in the intensity of light for the interval 1<d<3

Also determine the approximate instantaneos rate of change in the intensity of light at exactly 3m from flash bulb. 
A photographer uses a light meter to measure the intensity of light from a flash bulb. The intensity for the flash bulb,I, in lux, is a function of the distance from the light, d, in meters, and can be represented by I(d)=10/d^2, d>0

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