If $f (x) = x^{2} + 2 x - 1$ , find $f (2)$ .

3

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Solution

The correct option is C $7$
$f (x) = x^{2} + 2 x - 1$
$f (2) = (2)^{2} + 2 (2) - 1$
$f (2) = 4 + 4 - 1 = 7$

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