Solve.The monthly cost of a certain long distance service is given by the linear function  where C(t) is in dollars and t is the amount of minutes used in a month. Find and interpret C(190).

A. 15.45; it costs $15.45 to use 190 minutes of a certain long distance service in a month.
B. 9.50; it costs $9.50 to use 190 minutes of a certain long distance service in a month.
C. 16.45; it costs $16.45 to use 190 minutes of a certain long distance service in a month.
D. 25.95; it costs $25.95 to use 190 minutes of a certain long distance service in a month.


Answer: C

Mathematics

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