Mathematics, 09.10.2019 20:20 babyskitt
Amonthly phone bill, b(m) , consists of a $31 service fee plus $0.15 per minute, m, of long distance calls, given by the function b(m) = 31 + 0.15m.
a. draw a graph of b for values of m from 0 to 120 minutes.
b. estimate the bill if 89 minutes of long distance calls are made.
Answers: 3
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Amonthly phone bill, b(m) , consists of a $31 service fee plus $0.15 per minute, m, of long distance...
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