Question

A department store is offering a coupon for 21 off for any purchases over $100.
Construct a piecewise function for the actual cost, C, of the purchase as a function of the original purchase price, P.

C= ? ,if 0 <P </100

Answer 1

C = P if 0 < P <= 100

Now you can do the part where P > 100, right?

Answer 2

Thank you @steve

Answer 3

Whats p>100?