Question

Jonah is buying custom jerseys for his soccer team. Each jersey will feature the team logo printed on the front and a player's last name on the back. There is an initial fee for the logo design, and an additional cost for printing each jersey.
There is a linear relationship between the number of jerseys Jonah buys, and the total cost.
Number of jerseys Total cost
0 $40.00
4 $72.00
8 $104.00
Describe the rate of change for this relationship.
The total cost
by
per jersey.

Answer 1

The total cost increases by $8 per jersey.

(So the cost function is Total = $40 + $8 × (number of jerseys).)