SOLUTION: a department store is offering a coupon for 24% off for any purchase over $150. A. construst a piecewise function for the actual cos C of the purchase as a function of the origina

Algebra ->  Linear-equations -> SOLUTION: a department store is offering a coupon for 24% off for any purchase over $150. A. construst a piecewise function for the actual cos C of the purchase as a function of the origina      Log On


   

Question 1069460: a department store is offering a coupon for 24% off for any purchase over $150.
A. construst a piecewise function for the actual cos C of the purchase as a function of the original purchase price P

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
From zero to 150, the product cost is the original purchase price, no discount.
y=x
From 150 on, you get a 24% discount,
y=x%281-24%2F100%29=x%28%28100-24%29%2F100%29=x%2876%2F100%29=0.76x
So,
y=x,0%3C=x%3C=150
y=0.76x,x%3E150
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