Question

How Is this a function I do not understand

-5,1 -3,2 -1,3 1,2

Answer 1

In these pairs one x two different x values share the same y value then how is it a function. I thought a function was when evrey input had its own unique output?

Answer 2

This is a function because none of the domain numbers (-5,-3,-1,1) repeat.

Answer 3

Can you explain what a function is?

Answer 4

Isn't it when each input has a unique output?

Answer 5

A function is a set of pairs where none of the inputs repeat. The outputs can repeat, but not the inputs

Answer 6

Arright, Thanks

Answer 7

Do you understand though?

Answer 8

Yea