8th Grade · Functions
Input
8.F.A.1
Definition
The value supplied to a function, usually the x-value or independent variable. It is the number placed into the function rule.
Examples
- In f(4), the 4 is the input.
- In a table, the x-column holds the inputs.
Key rule
The input is the value you choose and feed into the function.
Memory hook
What you put in — the x-value.