The cost for a online streaming service is modeled by the following function where m represents the number of months the service is subscribed to and C(m) represents the total cost given that amount of time:

C(m) = 15.30m + 20.70

2 answers

What is the cost for a 3 month subscription?

Answer: The cost for a 3 month subscription is 72.60.
mmmhhh?

C(3) = 15.3(3) + 20.7 = $ 66.60