Write a function to describe the following scenario. A baseball stadium sells a slushy cup for $5 and $1 for every time you fill it. How much would you pay in total to drink slushy drinks at this baseball stadium?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.