Question

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

Answer 1

$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.