Mathematics, 04.12.2019 23:31 alyssanewsome
The monthly cost of a certain long distance service is given by the linear function c(t)=0.06t + 3.95 where c(t) is in dollars and t is the amount of time in minutes called in a month. find the cost of calling long distance for 140 minutes in a month.
a. $17.95
b. $11.35
c. $8.40
d. $12.35
Answers: 3
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