If f(x) = x³ - x² + x + 1 then f(2) = ____?
- 5
- 7
- 3
- None of these
Explanation
Let's evaluate for the function .
Substitute into the function:
Calculate step by step:
So,
Then,
Finally,
Therefore, .
Let's evaluate for the function .
Substitute into the function:
Calculate step by step:
So,
Then,
Finally,
Therefore, .
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