Question

Which table could represent a function?

input -5 -4 -3 -2 -1
output 0 1 2 3 4

input 4 3 2 3 1
output 10 9 12 15 2

input -8 -6 -4 -2 -8
output 1 -1 1 -1 -1

input 10 20 30 20 10
output -10 -20 -30 20 10

Answer 1

input -5 -4 -3 -2 -1

output 0 1 2 3 4

Explanation:

Answer 2

First option

Explanation:

If each input value leads to only one output value, classify the relationship as a function.