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Find f(3) if f(x)=x^3+2x^2-x-1
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Find f(3) if
f(x)=x^3+2x^2-x-1

User Moien Tajik
by
4.3k points

1 Answer

1 vote

Answer:

41

Explanation:


f(x) =x^3 +2x^2 -x -1\\\\f(3) =3^3 +2(3^2) -3 -1\\\\~~~~~~~=27+18-4\\\\~~~~~~~=27+14\\\\~~~~~~~=41

User Joe Fratianni
by
4.4k points
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