SOLUTION: Would someone please help me with this problem... Given f(x)=x^2+3 and g(x)(sqrt)2-x find f o g(x). a.5-x b.1-x c (sqrt)5-x^2 d. 7+x^2 Thanks

Algebra ->  Algebra  -> Systems-of-equations -> SOLUTION: Would someone please help me with this problem... Given f(x)=x^2+3 and g(x)(sqrt)2-x find f o g(x). a.5-x b.1-x c (sqrt)5-x^2 d. 7+x^2 Thanks      Log On

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Question 69760: Would someone please help me with this problem...
Given f(x)=x^2+3 and g(x)(sqrt)2-x find f o g(x).
a.5-x
b.1-x
c (sqrt)5-x^2
d. 7+x^2

Thanks
Answer by stanbon(57303) About Me  (Show Source):
You can put this solution on YOUR website!
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.