Need some help with this math question
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Need some help with this math question

[From: ] [author: ] [Date: 12-01-17] [Hit: ]
......
determine the following composition and state the domain in interval notation.

f(x) = (√x+2) , g(x) = x / x-1

a) (fog)(x)

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f(x) = (√x+2) , g(x) = x / x-1



a) (fog)(x) = f(g(x)) = √(g(x))+ 2 ===> √(x / x-1)+ 2


(b) domain, x > 1 which is (1,oo)
1
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