Respuesta :

nap14hockey
Part A:
Yes it is a function. Every input value only has one output value

Part B:
If you look in the table, when x =3, y=6.
When you plug 3 into the equation (4*3+8) you get 20. Therefore f(x) is greater.

Part C:
Plug in again.
76 =4x+8
68=4x
17=x