Question

Which of the following lists of ordered pairs is a function

a) (-2,3), (2,4), (-3,6), (3,7) b) (2,5) (3,-4), (4,7), (2,2) c)(1,1), (2,2), (3,1), (3,2) d)(0,3), (-1,4), (1,6), (-1,7)

Answer 1

d)(0,3), (-1,4), (1,6), (-1,7)

Explanation:

Answer 2

a) (-2,3), (2,4), (-3,6), (3,7)

Explanation:

this is the only function, the rest are not functions.