F (x)= (x-3)/ x and g (x)= 5x-4 what is the domain of (f○g)(x)

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Eddy Liu · Answer 1 · 2017-01-10T07:32:57+0000

f(x) = (x - 3)/x and g(x) = 5x - 4
(f○g)(x) = (5x - 4 - 3)/(5x - 4) = (5x - 7)/(5x - 4)

Domain of (f○g)(x) is (-∞, 4/5) ∪ (4/5, ∞)