Posted by **Anonymous** on Tuesday, July 17, 2012 at 7:05pm.

The number of streetlights in a town is growing linearly. Four months ago (n = 0)

there were 130 lights. Now (n = 4) there are 146 lights. If this trend continues,

a. Find an explicit formula for the number of lights in month n

b. How many months will it take to reach 200 lights?

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