Mathematics, 03.03.2021 07:50 heavenwagner

1. The average monthly cable TV rate was modeled over several years by the function, R(t) =-0.00368 +0.13+ - 0.073t+ 7.7 , where R(t) is the monthly rate in dollars and t is
years.
goo
a) What is the average monthly cable rate in year 20?
b) In what year is the average monthly cable rate peak at its highest?

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