Free Function Test Calculator - Checks to see if a set of ordered pairs represents a function

This calculator has 1 input.

This calculator has 1 input.

If x values occur more than once, it is not a function

For more math formulas, check out our Formula Dossier

For more math formulas, check out our Formula Dossier

- domain
- Set of all possible input values which makes the output value of a function valid
- function
- relation between a set of inputs and permissible outputs

ƒ(x) - function test
- Test where you draw a vertical line on a graph to make sure it only passes through one point
- ordered pair
- A pair of numbers signifying the location of a point

(x, y) - range
- Difference between the largest and smallest values in a number set