Question

question given f(x)=-x - 3, find f(-2).

Explanation:

Step1: Substitute x value

Substitute $x = - 2$ into $f(x)=-x - 3$.
$f(-2)=-(-2)-3$

Step2: Simplify the expression

First, simplify $-(-2)$ to $2$. Then $f(-2)=2 - 3$.
$f(-2)=-1$

Answer:

$-1$