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.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
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.