Fiber-optic cables are used widely for wiring in aircraft and submarines. When light passes through a fiber-optic cable, its intensity decreases with the increase in the length of the cable. If 1200 lumens of light enters the cable, the intensity of light decreases by 2.5% per meter of the cable.

Question

anonymous · Answer

Part A: Can this situation be represented by an exponential function? Justify your answer.

anonymous · Answer

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