graph the profit function over its given domain; use the 5 values calculated in part 3 to construct the graph and connect these points with a smooth curve in Excel or another graphing utility.
x P(x)
5=3000(5)=3000
6=3200(6)=3200
7=3400(7)=3400
8=3600(8)=3600
9=3800(9)=3800