Question

Which relation is a function

Answer 1

C is a function

Explanation:

to be a function, each input can have only one output

(each x can go to only 1 y)

A) -5 goes to 1 and 0 NO

b) -2 goes to 0 and 2 NO

c) each x goes to only 1 YES

d) 6 goes to 4 and 3 NO