Answer:
Yes, it is. Functions can only have one output (y) for each input (x). Furthermore, this means each x value will only have one y passing through it. Thus if we plot it on a graph and it passes through a horizontal line more than once, it is not a function. This is called the vertical line test.
I'm not Totally sure but I'm pretty sure its B<span />
Answer:
C
Step-by-step explanation:
i took test