Determine whether the relation is a function. { (10, 2), (- 10, 2), (6, 4), ( 5, 3), (- 6, 7) }

Yolanda wanted to buy a total of 6 pounds of mixed nuts and dried fruit for a party she paid 21.60 for mixed nuts and 11.90 for dried fruit did yolanda but enough mixed nuts and dried fruit for the party