### A function is where every x-value goes to exactly one y-value.

### What is a function?

- Every y-value goes to one x-value
- Every x-value goes to one y-value
- Every value goes to a y value
- There is no set standard to make something a function.

- Every y-value goes to one x-value
- Every x-value goes to one y-value
- Every value goes to a y value
- There is no set standard to make something a function.

- The y and x values, damian and range
- The y values only
- The x values only
- None of the above

- The x and y values must be on the t-chart
- You do not have to label a t-chart