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Mathematics 21 Online
OpenStudy (anonymous):

f(x)=2x+5; g(x)=9x-7 (a.)(f-g)(x)= (b.)what is the domain of f-g? (c.)what is the domain of f/g?

OpenStudy (anonymous):

Watch these videos Subtracting functions: www.youtube.com/watch?v=DSW86EFENBg www.youtube.com/watch?v=NpaJ6mS3Rco Finding the Domain of a function http://www.youtube.com/watch?v=sbvSBH2Mo20 Seriously this guy makes really good math tutorial videos

OpenStudy (anonymous):

If you have any questions after watching them just ask

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