SOLUTION: Can someone please help me with this problem. f(x)=x² 7

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Question 1016617: Can someone please help me with this problem.
f(x)=x² 7
Found 2 solutions by stanbon, algebra hello:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=x+7;g(x)=√x-2 and solve for (gog)(x)
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gog(x) = g[g(x)] = g[sqrt(x)-2] = sqrt[(sqrt(x)-2)]-2 = x^(1/4)-sqrt(2) - 2
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Cheers,
Stan H.
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Answer by algebra hello(55) About Me  (Show Source):
You can put this solution on YOUR website!
g(x)=√x -2
(gog)x= g(g(x))
=g(√x - 2)
=√(√x -2) -2