Find the values of the following polynomial.
$g (x) = 7 x^{2} + 2 x + 14$ , when $x = 1$

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Solution

In the given polynomial $g (x) = 7 x^{2} + 2 x + 14$ , substitute $x = 1$ as shown below:

$g (1) = (7 \times 1^{2}) + (2 \times 1) + 14 = (7 \times 1) + 2 + 14 = 7 + 2 + 14 = 23$

Hence, $g (1) = 23$ .

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