i have been stuck on this question for a week please help
From 1985 to 2000 the percent p of total music sales with a certain format is modeled by p=5.7t - 11,308 where t is the year.
(a) evaluate p for t= 1985 and t =2000
(b) use your results from part
(a) to graph the equation from 1985 to 2000
(c) in what year was p = 74.9%?
(a) p = for t = 1985 round to the nearest tenth as needed
P = for t = 2000 round to the nearest tenth as needed
(C) in what year was p = 74.9%?
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Have you considered substituting the given values for t into the equation?
p = 5.7t - 11308
t = 1985
What is p?