An output is the value a function or rule produces from a given input. In an input-output table the output sits in the second column, and finding the rule means working out what was done to each input to get it.
Math Dictionary / Output
Output
An output is the value produced by a function or rule.
What it means
For many functions, the output is the y-value.
Also called: y-value
Examples
| Input 3 into y = 2x gives output 6 |
| The output comes out of a function machine |
| In (4, 9), 9 is the output if x is input |
Common mistake
Try one
Question: For y = x + 5, what is the output when x = 8?
Show answer
13.