Question
Is the graph of a parabola a function? I say that it is a function.
Answers
Reiny
only if its axis of symmetry is a vertical line
B.B.
The graph of the parabola lays on it side with the x-axis dividing the parabola.
Reiny
So following the answer that I gave you above, what do you think?
B.B.
I say yes.