# 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

## 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?

{{@N-H2TEXT@}}

Have more time for your recreation

You can have more time for your recreation by using a time management system.

Provide multiple methods

There are many ways to improve your writing skills, but one of the most effective is to practice writing regularly.

Figure out mathematic equations

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.

Figure out mathematic

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.

Deal with math

Math is a subject that can be difficult for many students. However, with practice and perseverance, it is possible to improve one's skills in this area.

Get calculation assistance online

Looking for a little help with your math homework? Check out our online calculation assistance tool!

{{@N-H2TEXT@}}

## Client testimonials

Jerry Howard

It solves quadratics, which i thought it wouldnt have the capacity to. And i hope this is not only my problem. It also covers a large spread of textbook answers. Smooth and fast. Have extremely high, number detection ( It's amazing ).

Juan Jackson

I love this app, it help me a lot understand the math equations, has saved me in more ways than one this and last semester in college. The keyboard is slightly glitchy, but if you type slow it's not hard to navigate. It doesn't get any better than this.