Arelation is a function if
there is exactly one input for each output
there is exactly one output for each input
there is more than one input for each output
there is more than one output for each input

The answer is B. There is exactly one output for each input.

I just answered on my homework and got it right

-8

step-by-step explanation:

step-by-step explanation:

i have done this all on a piece of paper but idk how to put it on here cuz it needs to be drawn