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nika2105 [10]
3 years ago
13

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

Mathematics
1 answer:
Wittaler [7]3 years ago
4 0

Answer:

\underline{ \boxed{f(3) = 41}}

Step-by-step explanation:

if \to \: f(x)=x^3 + 2x^2-x-1 \\ then \: f(3) =  {3}^{3}  + 2( {3)}^{2}  - 3 - 1 \\ f(3) = 27 + 18 - 4 \\ f(3) = 41

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