Question 69760
Given f(x)=x^2+3 and g(x)=(sqrt)2-x find f o g(x).
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f[g(x)] = f[ sqrt2 - x] 

= (sqrt2 - x)^2 + 3

=2-2sqrt2x+x^2 + 3

= x^2 - 2sqrt2x +5
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Sorry, this is the answer as you have posted the problem,
but the answer is not among the ones you listed.
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Cheers,
Stan H.