Algebra Helper

How to know if a line is a function

Answer: A method to distinguish functions from relations. The vertical Line test. is a way to determine if a relation is a function . states that if a vertical line intersects the graph of the relation more than once, then the relation is a NOT a

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Identify Functions Using Graphs

First, see if the line has a defined domain and range. If so, then the line is probably a function. Another way to tell is by graphing the line. If the line passes the vertical line test, then it is

What Is the Horizontal Line Test?

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For those who struggle with math, equations can seem like an impossible task. However, with a little bit of practice, anyone can learn to solve them.

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For those who struggle with math, equations can seem like an impossible task. However, with a little bit of practice, anyone can learn to solve them.

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Relations and Determining Whether a Relation is a Function

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