Math Is Fun Forum

nycguitarguy

Member

From: Brooklyn, NY

Registered: 2024-02-24

Posts: 566

Vertical Line Test

Given a graph, how does one determine if it is a function using the vertical line test?

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The Rapture is the central event in biblical prophecy. The greatest truth about the Rapture is not its timing but it's reality. The Rapture will be the great disappearance.

Dr. David Jeremiah

Bob

Administrator

Registered: 2010-06-20

Posts: 10,208

Re: Vertical Line Test

https://www.mathsisfun.com/sets/function.html

It's quite a way down the page.

Bob

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Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob

amnkb

Member

Registered: 2023-09-19

Posts: 253

Re: Vertical Line Test

Given a graph, how does one determine if it is a function using the vertical line test?

see if there is anywhere you could draw a vertical line and cross the graph more than 1 time
If yes, then not a fcn

nycguitarguy

Member

From: Brooklyn, NY

Registered: 2024-02-24

Posts: 566

Re: Vertical Line Test

https://www.mathsisfun.com/sets/function.html

It's quite a way down the page.

Bob

Thanks for link. I forgot about the math resources available on this website.

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The Rapture is the central event in biblical prophecy. The greatest truth about the Rapture is not its timing but it's reality. The Rapture will be the great disappearance.

Dr. David Jeremiah