If F(x) = X³ - X² + X + 1 Then F(2) = ____? - Testpoint

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If f(x) = x³ - x² + x + 1 then f(2) = ____?

5
7
3
None of these

Explanation

Let's evaluate $f (2)$ for the function $f (x) = x^{3} - x^{2} + x + 1$ .

Substitute $x = 2$ into the function:

$f (2) = (2)^{3} - (2)^{2} + (2) + 1$

Calculate step by step:

$2^{3} = 8$
$2^{2} = 4$
So, $8 - 4 = 4$
Then, $4 + 2 = 6$
Finally, $6 + 1 = 7$

Therefore, $f (2) = 7$ .

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