Question

find f(3) for the piece - wise function.
$f(x)=\

$$\begin{cases}x - 2, & x < 3 \\\\ x - 1, & x \\geq 3\\end{cases}$$

$
$f(3)=?$

Explanation:

Step1: Select correct function branch

Since $x=3$ satisfies $x\geq3$, use $f(x)=x-1$.

Step2: Substitute $x=3$

$f(3) = 3-1$

Answer:

$2$