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# Algebraic Functions

## Identify functions using coordinate pairs

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Algebraic Functions

### Algebraic Functions

1. If something is a function, it means that for every input, there is only one _______.
2. The vertical line test allows you to test whether or not something is a function because __________.
3. The following graph _______ a function.
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4. The following graph _______ a function.
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5. If the graph in problem 4 was rotated 90 degrees, it _____ be a function.
6. In a relation, there can be _____ output for a given input.
7. The picture in problem 3 ___ a function.
8. The horizontal line test ____ an effective test for a function because __________.
9. This __ a function.
1. License: CC BY-NC 3.0

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