Question

10. FREEBIE

The sales tax in one state is 6%. 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 $160.


A. f(x) = 0.06x; $9.60

B. f(x) = x – 6; $158.94

C. f(x) = 6 + x; $161.06

D. f(x) = 1.06x; $169.60

Answer 1

D. f(x) = 1.06x; $169.60

Explanation:

x(1.06) = total after tax

160(1.06)= 169.6