Question

For which value(s) of x will the relation not be a function? R:{( x+2 +16, 3), (21, 17)}

Answer 1

I think the answers are x= -23, x=19

Explanation:

|x+2| = 21

Because of the absolute value sign, you have 2 answers.

x+2=21, x=19

-x-2=21, x=-23