13. Suppose the average cost of electricity is $0.25/kWh. Solar panels cost $100/sq ft and you want to install 400 sq ft of solar panels. Assume each square foot of solar panels produces 10 kWh every year. Further, assume government tax incentives pay 50% of the initial costs. a) Find the cost to install the 400 ft? of solar panels. b) Find an equation (function) for the amount of money saved by using the solar panels, where t represents the number of years. c) Find a break-even point for when the solar panels pay off their original cost.

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A: Given query is to find the inverse of the indicated function.

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A: Revenue=number of albums×price for each album

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A: Given query is to find the solution of the inequality.

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A: We can explain the answer in the following steps.