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Mathematics, 14.01.2020 06:31 Buttercream16

The sales tax in one state is 7% .write a function rule for 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)= 0.07x; $10.50
b) f(x)= 1.07x; $160.50
c) f(x)= 7+x; $151.07
d) f(x)= x-7; $148.93


The sales tax in one state is 7% .write a function rule for the total cost of an item with selling p

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