If $f (x) = x^{2} + 32 x - 12$ . What is the value of $f (4)$ ?

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Solution

$f (x) = x^{2} + 32 x - 12$
$f (4) = 4^{2} + 32 (4) - 12 = 16 + 128 - 12$
$f (4) = 132$

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