# Given #if f(x)=x^2-4# and #g(x)=sqrt(x-3)# how do you find f(g(x)) and g(f(x))?

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AA_123
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Dec 5, 2016

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Put

Put

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Narad T.
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Dec 5, 2016

#### Answer:

The answers are

and

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This is a composition of functions.

And

You can see that

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