Given f(x)=x4+5x3+5x2−5x−4 when x=−3, f(x)=

when x=−2, f(x)=

when x=0, f(x)=

when x=1, f(x)=

when x=2, f(x)=

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.