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Mathematics, 16.02.2020 04:01 blognero
5. The sales tax in one state is 3%. Write a function rule for finding the total cost of an item with selling price x. Then find the total cost of a CD player with a selling price of $150.
f(x) = 0.03x; $4.50
F(x) = 3 + x; $151.03
f(x) =1.03x; $154.50
f(x) = x - 3; $148.97
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