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Mathematics, 06.10.2019 21:20 Leonorareed5145

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.
a, f(x)=x-3; $154.50
b, f(x)=x-3; $148.97
c, f(x)=0.03x; $4.50
d f(x)=3+x; $151.03
somebody answer the question as soon as possible. you!

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