A telephone company offers the following plans. Also given are the piecewise functions that model these plans.
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A telephone company offers the following plans. Also given are the piecewise functions that model these plans. Use this information to solve Exercises 95–96.Plan A• $30 per month buys 120 minutes.• Additional time costs $0.30 per minute.
Plan B• $40 per month buys 200 minutes.• Additional time costs $0.30 per minute.
Simplify the algebraic expression in the second line of the piecewise function for plan A. Then use point-plotting to graph the function.
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