Question

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.

Answer 1

The answer should be 4