Question

Which of the following relationships represents a function? Select all that apply.

A. {(1,4),(2,8)
B. [(4,6),(4,5),(4,4)}
C. [(-4,2), (-2,8),(-1,9), (6,3)}
D. {(-2, -1), (1, -1), (7,-1), (8, -1)}

Answer 1

Answer:A,C,D

Explanation:

A function can’t have repeating x-values. Each assigns exactly one range (y-value) to each domain (x-value)

Answer 2

A, C, D
A function can’t have repeating x-values. Each assigns exactly one range (y-value) to each domain (x-value)