Question

Plz Helppppp Which relation is a function?

Answer 1

Option A. is a function...

here For different values of x in Domain of(x,y) ;There is a unique image y in codomain.

All others have more than one image for a single value x.

Hope it helps...

Regards;

Leukoniv/Olegion.

Answer 2

A is the answer {(5,0), (-8,-5), (-8,5), (-5,-8)}