How many hours of rock and hip-hop will vijay have after he makes the changes?

The graph below could be the graph of which exponential function?

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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.