Question

Which of the following is not a function?
A.y= [2x]^2 + 3
B.x ^2 + y ^2 =9
C.{ (1,2) (2,3) (3,4) }
D.x -y = 1

Answer 1

Answer:

options d is the correct answer I told answer please mark as brianlist

Answer 2

Answer:

$\huge \fbox\purple{AnswEr}$

option D. Is the correct answer