SOLUTION: Given f(x)=x2-5x+2 and g(x)=x2+9, find the following: f °g(x) g° f(x) g° f(3)

Algebra ->  Functions -> SOLUTION: Given f(x)=x2-5x+2 and g(x)=x2+9, find the following: f °g(x) g° f(x) g° f(3)       Log On


   

Question 674089: Given f(x)=x2-5x+2 and g(x)=x2+9, find the following:
f °g(x)
g° f(x)
g° f(3)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Given f(x)=x2-5x+2 and g(x)=x2+9, find the following:
f °g(x) = f[x^2+9) = (x^2+9)^2-5(x^2+9)+2
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g° f(x) = g[x^2-5x+2) = (x^2-5x+2)^2 +9
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g° f(3) = g[3^2-5*3+2) = g(-4) = ((-4)^2+9) = 25
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Cheers,
Stan H.