Answer:



Step-by-step explanation:
Given
Cost

per mouse pad
Revenue

Solving (a): The cost function
Let the number of mouse pad be x and the cost function be c(x).



Solving (b): The revenue function
Represent this with r(x)



Solving (c): The break-even point
This is the point where r(x) = c(x)
So, we have:

Collect Like Terms


Solve for x

