Over which interval is the graph of the parent absolute value function decreasing? (–∞, ∞)
(–∞, 0)
(–6, 0)
(0, ∞)

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.