SOLUTION: You receive a coupon for $5 off a pair of jeans. You find that all jeans are 25% off. Let x represent the original cost and the functions define the situation. What is f(g(x) and

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: You receive a coupon for $5 off a pair of jeans. You find that all jeans are 25% off. Let x represent the original cost and the functions define the situation. What is f(g(x) and      Log On


   

Question 1166550: You receive a coupon for $5 off a pair of jeans. You find that all jeans are 25% off. Let x represent the original cost and the functions define the situation.
What is f(g(x) and what does it represent?
What is g(f(x) and what does it represent?
f(x)=x -5
g(x)=0.75x
Found 2 solutions by solver91311, josgarithmetic:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The first one represents taking the 25% discount and then using the coupon.

The second one represents doing it in the opposite order.

John

My calculator said it, I believe it, that settles it


I > Ø

Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
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a coupon for $5 off a pair of jeans. You find that all jeans are 25% off.
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$5 off from what? the original price, or the discount price?

What the person pays:
c%28x%29=x-0.27x-5
highlight%28c%28x%29=0.75x-5%29