Seudónimo
Seudónimo
11-11-2016
Mathematics
contestada
Help?????
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????
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Аноним
Аноним
11-11-2016
my best choice would be C. i may be wrong but do the math again.
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biancamagallanez
biancamagallanez
11-11-2016
the answer is C.
if f(x)= 2x^2+1 and g(x)=x^2-7, (f+g)(x) is
(2x^2+1)+(x^2-7)=
combine like terms so,
(f+g)(x)=3x^2-6
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