Question

A machine used to make badges costs $150. It costs $2 to make each badge.

Part A: Write a function to show the total cost f(n) of making n badges. (4 points)

Part B: What is the total cost of making 20 badges? (4 points)

Part C: If the cost of the machine was $20 more, what would be the cost of making 7 badges? (2 points)