Question

Which of the following is not a function?A. y-x=6B. y=2x²C. x= -2D. y+x=12

Answer 1

C. x= -2

Step-by-step explanation:

Each of the options (A, B, and D) can be calculated for different values of x.

However, the equation below cannot:

`x=-2`

Therefore, x=-2 is not a function.