Determine a relationship between the x and y values, write an equation (0,1) (1,2) (2,5) (3,10) (4,17)

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.