9. The sales tax in one state is 5%. Write a function rule for finding the total cost of
an it...
Mathematics, 26.02.2020 03:08 issaaamiaaa15
9. The sales tax in one state is 5%. 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 $110.
A f(x) = 1.05x; $115.50
B f(x) = x - 5; $108.95
C f(x) = 0.05x; $5.50
D f(x) = 5 + x;$111.05
Answers: 3
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