edithjohnson326 edithjohnson326

22-10-2017
Mathematics

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First find f+g, f-g, f-g and f\g. Then determine the domain for each function f(x)=3×+7,g(×)=×+9 (f+g)(×)=

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22-10-2017

I'll do f+g, you try the others on your own and comment if you need help with them! For f+g, you're just going to add the two functions together:
[tex]f(x)=3x+7[/tex]
[tex]g(x)=x+9[/tex]
[tex](f+g)(x)=(3x+7)+(x+9)=4x+16[/tex]

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