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

Question

18 January, 03:16

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Claudia · Answer 1

The answer is D)

f (x) = x +.07x

f (x) = 1.07x

f (150) = 1.07 * 150 = 160.50

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; $148.93c.f (x) = 7 + x; $151.07b.f (x) = 0.07x; $10.50d.f (x) = 1.07x; $160.50