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Mathematics 22 Online
OpenStudy (anonymous):

f(x)=3x/x-6, g(x)=5/x+4 find the domain of f+g

OpenStudy (anonymous):

\[x \neq6,-4\]

OpenStudy (anonymous):

f+g = 3x(x+4) + 5x - 30 3x^2 + 17x - 30 ----------------- = --------------- ( x+4)(x-6) ( x+4)(x-6) domain is all real values of x except -4 and 6

OpenStudy (anonymous):

assuming(x-6) and (x +4)

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