giving medal for answer please tell me how u got it!!

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

giving medal for answer please tell me how u got it!!

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

anonymous · Answer

Try this http://openstudy.com/study#/updates/4f77e357e4b0ddcbb89e0c8a see if this helps

anonymous · Answer

ok