SOLUTION: I have a question that states: for the pair of functions, evaluate (g of f)(5). f(x)=x-9/x, g(x)=x^2+3. How do I do this?

SOLUTION: I have a question that states: for the pair of functions, evaluate (g of f)(5). f(x)=x-9/x, g(x)=x^2+3. How do I do this?

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Question 85709: I have a question that states: for the pair of functions, evaluate (g of f)(5). f(x)=x-9/x, g(x)=x^2+3. How do I do this?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
evaluate (g of f)(5). f(x)=(x-9)/x, g(x)=x^2+3.
--------------
g[f(5)] = g[(5-9)/5)]
=g[-4/5]
= (4/5)^2 + 3
= 16/25 = 75/25
=91/25
==============
Cheers,
stan H.
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