Question

why is your choice above not a function? there is at least one x-value that has more than one y-value paired with it. the relation passes the vertical line test. there is not a vertical line that would contain more than one ordered pair from the relation. each input value (x) corresponds with exactly one output value (y).

Explanation:

A function is defined such that every x-value (input) has exactly one corresponding y-value (output). A relation fails to be a function if any x-value is paired with multiple y-values, which also means it fails the vertical line test. The other options describe properties of a function, not a non-function.

Answer:

A. There is at least one x-value that has more than one y-value paired with it.