Let f(x)=4x-7 and g(x)-5+9x. what are f+g and f-g? what are their domains?

asked Sep 22, 2018 88.4k views

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the answer is 13x-12 f-g is -5x-2 and the domains are all real numbers i believe the multiply is
36x^(2) -83x-35

and divide i'm not sure sorry hope the rest helps though':p

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