8. which function does not represent y as a function of x?

Answer: graph D
Step-by-step explanation:
graph A) The equation is y = x
graph B) The equation is y = -x² + 2
graph C) The equation is x = y²
graph D) The equation is y = 2
Which equation does not have an "x" in it? D
Therefore, the y-value is not dependent on an x-value.