## How Do You Figure Out If a Relation is a Function?

How do you write a function with ordered pairs? Substitute the first term of the first ordered pair into the same equation in place of the variable x. For example, write, y = (-1.25

## How do you find out if a set of ordered pairs is a function or not?

Functions. Find Three Ordered Pair Solutions. Step 1. Write as an equation. Step 2. Choose any value for that is in the domain to plug into the equation. Choose to substitute in for to find

## Identifying Functions

Discusses how to tell if a set of ordered pairs (points) is a function or not, as well as how to define the domain and range of such a function.

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## Relations And Functions

To determine if an ordered pair is a solution to a system of two equations, we substitute the values of the variables into each equation. If the ordered pair makes both

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## Ways to Tell if Something Is a Function

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