Mathematics, 27.08.2019 11:30 xojade

Acell phone plan uses a fixed charge of $20 per month plus 10 cents for each minute used to calculate the total bill. the total bill, t, can be expressed in terms of the number of minutes, m, by the function rule t=20+0.10m. which rule describes the inverse function?
t=20−0.10m
m=20+0.10t
t=−20+0.10m
m=10t−200

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