If $g (x) = - 7 x^{2} + 5 x - 18$ , find the value of $g (- 1)$ .

-30

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Solution

The correct option is D -30
Given, $g (x) = - 7 x^{2} + 5 x - 18$
$g (- 1) = - 7 (- 1)^{2} + 5 (- 1) - 18$ , substitute $x = - 1$
$= - 7 - 5 - 18 = - 30$

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