# How to find an equation of a polyline

Camilla shared this question 3 years ago

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Do you mean something like this?

`f(x) = If(0 ≤ x ≤ 2, x + 1, 2 < x ≤ 3, 5 - x)`

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im trying to find the line of equation of this

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i want to find the equation of line of this line

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i want to find the equation of line of this line

file:///Users/CamillaNg/Des...

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or this?

see the script of polyline f

Files: foro.ggb
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I'm trying to find the equation of this line

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can you see the photo?

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no

upload the photo and embed it with

do you need really equation or a function f that (t,f(t)) is a point of polyline or simply a graph?

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i need the equation you can see the graph of it i put the link down because i'm trying to integrate it and find the area of it

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I said you how to do the function with datafunction()

now I added an integral in attached and volume

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the file doesn't open is it possible to send it as pdf form, im so sorry

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try now

I was editing

Files: foro.ggb
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sorry still doesn't work

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is it possible to copy and paste and send it as a word document please

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it works for my

open it with classic version

you can open this also

https://www.geogebra.org/m/QKc3k7Pa

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what does classic version mean

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version 5 or 6 for desktop

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the next is mine

https://www.geogebra.org/m/ftxxpycg

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i can open the 2 links I just can’t open the file, also my data function works but the line doesn’t show so i can’t integrate it

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this is the file could you please teach me thnkyou

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your l1 has an axis in last position; must be deleted

l1 must be sorted; i did it

f is not necessary; it is the length of semi border of bottle

then you can write integral; put it in layer 2 because you want to see it over the image

Files: foro.ggb
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thankyou so much it worked :)