In a kitchen there are four containers that can hold different quantities of water as shown in the figure below
1-(x-2) liters
2- x liters
3- (x+2)liters
4- (x+4) liters
how many liters of water can the four containers hold in all
x^4+4
2x+4
x^2+2x
4x+4

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.