Option One or Two
Option one contains (-5,1) You are going to add (-5,-1) You have two values for an x. That destroys the function. It can't be option 1. Two equal x values, different y values = no function. The answer is Option 2
Option Three or Option Four
Minus (-2,1) is already in the given function definition. Option 3 is proposing you are going to add - 2 , 2 to the mix which will give -2 two different y values thus destroying the function. The answer is Option 4.
