hello people who are in middle school I wish you guys luck seriously I know the missing assignments and your siblings just take it​

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.

Which of the functions graphed below has a removable discontinuity?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]