Respuesta :

Alelin

Answer:

are this if its a function or not?

Anne0nymous

Answer:

NO

YES

YES

NO

Step-by-step explanation:

To solve this, plug the values into the functions.

4(6)+2(0)=18 FALSE

4(4)+2(1)=18 and (1)= -2(4)+9 TRUE

4(-5)+2(19)=18 and (19)= -2(-5)+9 TRUE

(-3)= -2(5)+9 FALSE