SOLUTION: It's been a few years since high school and I am taking an online algebra course and am having difficulty remembering how to do function f�g and the textbook is very vague. This i

Question 133968: It's been a few years since high school and I am taking an online algebra course and am having difficulty remembering how to do function f�g and the textbook is very vague. This is the problem:
Find the domain of the composite function f�g
f(x)=√x; g(x)=4x+4
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
If and find the composite function:

Simplify.

This composite function will remain real as long as
When the composite function will become imaginary.
The domain (the set of all possible values of the independent variable (x)) is:
{x|x>=0}
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