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help will be massively appreciated, please and thank you :)

 Sep 29, 2017
 #1
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1) No domain restrictions on the first one. It is a standard 4th degree polynomial.

https://www.desmos.com/calculator/uhbj2sdiqc

 

2) No domain restrictions here either

https://www.desmos.com/calculator/ivbq5sgwc1

 

3) no domain or range restrictions here either.

https://www.desmos.com/calculator/vlpsluyvsq

 

I cannot see any domain or k restrictions on any of them.   :/

 Sep 30, 2017
edited by Melody  Sep 30, 2017

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