The intensity I (in candlepower) of a certain light source obeys the equation I = 900/x 2
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The intensity I (in candlepower) of a certain light source obeys the equation I = 900/x2, where x is the distance (in meters) from the light. Over what range of distances can an object be placed from this light source so that the range of intensity of light is from 1600 to 3600 candlepower, inclusive?
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