The graph shows the amounts customers pay for x pounds of cheese at a deli counter. customers pay a certain price per pound up to exactly 5 pounds.
if a customer buys more than 5 pounds, then the price per pound for the entire purchase is discounted.

a function that consists of a line segment and then a ray. the two pieces are not connected. the line segment begins at the origin and ends at the point 5 comma 25 inclusive. the ray begins at the point 5 comma 20, non inclusive, and passes through the point 10 comma 40.

complete the following by entering a number or expression in each box.

a piecewise-defined function for the graph is

f(x) =
, 0 < x ≤

, x >

customers who buy up to 5 pounds pay $
per pound.

customers who buy more than 5 pounds pay $20 for the first 5 pounds. they pay $
per pound for each pound over 5 pounds.