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Finding the Domain and Range Using Algebra: http://www.youtube.com/watch?v=sbvSBH2Mo20

Finding Domain and Range of a Function using a Graph

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## 25 comments

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wow!….thank you so much…..it helped a lot…you are too good…

Your range is wrong it should be -5, infinity

π u are weird

Touch your Dickπ’

brilliant

you are a best teacher

i love you

Patrick how do you find range of function that has two square roots e.g f(x)= square root of (3-x) + square root of (x+1) ???

great help thanx

The pen trick helped so much, thank you!!

4ever, fo-eva eva……???

You're such a great teacher! Thanks so much!!!!

Can I have a question sir? Is it okay no matter what arrangements you have between the domain you know like example instead of [8,infinity) can it also be written [infinity,8) or not? I'm sorry I'm a dumn

thumbs up graph

Finally i understand abt this topic ππππ thanks a lot

Thank you this helped a lot

is [4, infinity) the same as saying domain: x greater than or equal to 4?

Thank God this helps so much.I understand it now. My teacher makes things much more complicated, talking about a bunch of scenarios and long math terms and stuff but this is a lifesaver for me and my test soon

Isnt it [8, -infinity)

Why does he sound like Tim from Brainpop…

Thanks!

Thank you for this!!

what's with the parenthesis and brackets? pls tell me.

is the last graph a union?

Thank you so much you really helped me with the domain and rangeππ