Find f(-2) when f(x) = x² + 3f( - 2) = 7f( - 2) = -7f( - 2) = 10f(-2) = - 4

asked May 22, 2023 76.3k views

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1 vote

$f(-2)=(-2)^2\text{ + 3}$
$f(-2)\text{ = 4 + 3 = 7}$

The answer is f(-2) = 7. Since:

$-2\text{ x -2 = 4 }=(-2)^2$

And then, we add 3.