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How to know if a line is a function

One of the most important skills that students need to learn is How to know if a line is a function.

  • Clear up math
  • Solve mathematic questions
  • Determine math

Vertical Line Test

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
Determine math question
Explain math problems


Clear up math

Determine mathematic equations

Solve math equation

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Vertical Line Test



Vertical line test

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

Vertical Line Test


Determine math equations

Get homework writing help

You can learn anything you want if you're willing to put in the time and effort. Just find a good tutorial or course and work through it step-by-step.

Explain math problem

Do math question

To clear up a math equation, work through each step of the equation slowly and carefully. Check your work as you go to identify any mistakes. Once you have the correct answer, double check it to be sure.


Solve math equations

Doing math equations is a great way to keep your mind sharp and improve your problem-solving skills.

Solve math equations

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