SOLUTION: Power Functions and Power Operations "You have a coupon for $100 off the price of a sofa. When you arrive at the store, you find that the sofas are on sale for 25% off. Let x re

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Power Functions and Power Operations "You have a coupon for $100 off the price of a sofa. When you arrive at the store, you find that the sofas are on sale for 25% off. Let x re      Log On


   

Question 295614: Power Functions and Power Operations
"You have a coupon for $100 off the price of a sofa. When you arrive at the store, you find that the sofas are on sale for 25% off. Let x represent the original price of the sofa.
Use function notation to describe your cost, f(x), using only the coupon. Next, use function notation to describe your cost g(x) using only the 25% discount."
Answer by palanisamy(496) About Me  (Show Source):
You can put this solution on YOUR website!
A) The cost of the sofa, f(x), using only the coupon = $ x-100
B) The cost of the sofa, f(x), using only the 25% discount = $ (x*75)/100 =3x/4