Question

Determining if a function is a inverse.
Pic below, can someone help me?

Answer 1

hmm well... let us see

do you know what a one-to-one relation?

Answer 2

@jdoe0001 Sorry, unfortunately no.

Answer 3

well... check your material

you surely cover that already, or should have

http://www.regentsprep.org/regents/math/algtrig/atp5/OntoFunctions.htm <--- you could see there what a one-to-one relationship is

Answer 4

@jdoe0001 Ok I think I understand what a one to one is. Basically a Y can get paired with any x by themselves without any other y's interfering.