SOLUTION: if f(x)=2x to the second powerand g(x)=x to the second power - 3 find (f g)(x)

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Question 120026: if f(x)=2x to the second powerand g(x)=x to the second power - 3 find (f g)(x)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
if f(x)=2x to the second powerand g(x)=x to the second power - 3 find (f g)(x)
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f(x) = 2x^2
g(x) = x^2-3
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fog(x) = f[g(x)] = f[x^2-3]
= 2[x^2-3]^2
= 2[x^4-6x^2+4]
= 2x^4-12x^2+8
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Cheers,
Stan H.