
Is it a Function?
9th Grade · Math · 45 min
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Learning Objective
I can determine if a relation is a function using the vertical line test.
- 1
In math, a function relates or connects one set to another set in a particular way, where a set is a group or collection of things.
- 2
The input set of a function is called the domain, and the output set is called the range; these can be shown in a function table.
- 3
A function must produce only one output value for each input value; this can be tested visually using the vertical line test.


