In order to lure new customers to a credit card, a bank is offering an initial cash back award, plus cash back amounting to a percentage of the value of all purchases made with the card. It is the value of all purchases made with the card and is the amount of cash back, which of these equations does the graph represent?
cash Back (Dollars)
2704
240
210
180
150
120
90
60
30
Value of Purchases (Dollars)
500
1500 2500 3500
1000
3000
1000
2000
c=030+ 150
c=130 150
C0030 + 150
c=1030 + 150