Asked by Sheniqua
A new store opens in New York. You received a coupon for $5.00 off a pair of jeans j(x) = x-5. When you get to the store you learn that they are giving a 25% discount d(x)=.75x
a) Write a composite function for the cost of the jeans if the 25% discount is applied after the $5.00 coupon
b) Write a composite function for the cost of the jeans if the 25% discount is applied before the $5.00 coupon
c) Using both composite functions determine what you will pay for a pair of jeans with a regular price of $30.00? Which is a better deal?
a) Write a composite function for the cost of the jeans if the 25% discount is applied after the $5.00 coupon
b) Write a composite function for the cost of the jeans if the 25% discount is applied before the $5.00 coupon
c) Using both composite functions determine what you will pay for a pair of jeans with a regular price of $30.00? Which is a better deal?
Answers
Answered by
Steve
(a) d(j(x)) = .75(j(x)) = .75(x-5)
(b) j(d(x)) = d(x)-5 = .75x - 5
(c) go for it
(b) j(d(x)) = d(x)-5 = .75x - 5
(c) go for it
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