Francesca and Demitri run a race. Francesca is faster than Demitri , so she reaches the finish line first. Make a graph that illustrates this situation by graphing distance against time.

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.