if have a coupon for $50 off your camera purchase of a $100 or more at zeke,s camera world. give domain of this fuction.

purchase price after coupon,y,to retail price,x.

x >= 100

To determine the purchase price after applying the coupon, we need to use the function:

y = x - 50

In this function, "y" represents the purchase price after the coupon is applied, and "x" represents the retail price of the camera.

The function subtracts $50 from the original retail price to calculate the final purchase price.