X -6
-5
-4
-3
-2
-1
0
1
Y
0
-9
-12
-9
0
15
36
63
vertex?

Griffin ordered a pair of sneakers online. he had a $22 credit that he applied toward the purchase, and then he used a credit card to pay for the rest of the cost. if the shoes cost $58, how much did griffin charge to his credit card when he bought the sneakers?