SOLUTION: Let f(x)= √(x-3) ,g(x)= x^2+8 a)Find f(g(x)). b)Find g(f (x)).

Algebra ->  Equations -> SOLUTION: Let f(x)= √(x-3) ,g(x)= x^2+8 a)Find f(g(x)). b)Find g(f (x)).       Log On


   

Question 1004317: Let f(x)= √(x-3) ,g(x)= x^2+8

a)Find f(g(x)).
b)Find g(f (x)).
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Let f(x)= √(x-3) ,g(x)= x^2+8
a)Find f(g(x)) = f[x^2+8] = sqrt[x^2+8-3] = sqrt] = sqrt(x^2+5)
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b)Find g(f(x)) = g(sqrt(x-3)) = ((x-3)+8) = x+5
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Cheers,
Stan H.
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