Which relation is not a function? O A. x 14 7
21 28 35
y 7
14 | 7
35 21
O B. {(19,11),(4,9), (19,10), (8, 18),
(5,3), (15, 17)}
O C. {(19,11), (6,16), (9, 10), (5, 18),
(4,7), (16,4)}
25
OD.

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.