Find the value of $f (x) = x^{3} - 3 x + 5$ at $x = 1.99$

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Solution

$f (x) = x^{3} - 3 x + 5$

$f (1.99) = (1.99)^{3} - 3 (1.99) + 5$

$f (1.99) = 6.910599$

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