SOLUTION: The sales tax in one state is 7%. 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
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Question 838230: The sales tax in one state is 7%. 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 – 7; $148.93
c.
f(x) = 7 + x; $151.07
b.
f(x) = 0.07x; $10.50
d.
f(x) =1.07x; $160.50 Answer by richwmiller(17219) (Show Source):
