Question

HELP!!!
I need to know if this is Function or not a function.

Answer 1

Not a function

Explanation:

Since x = 1 produces y = 3 and y = 4 , the relation is not a function.

( − 2 , − 5) , ( − 1 , − 3 ) , ( 0 , 0 ) , ( 1 , 3 ) , ( 1 , 4 )

The domain cannot be the same value.