Question

$f\left(x\right)=\{\begin{array}{cc}1+x;& x<2\\ 5-x;& x\ge 2\end{array};x\in [1,3]$. Find $f\left(2\right)andf\left(3\right)$.

Answer 1

$f\left(2\right)=5-2=3$

$f\left(3\right)=5-3=2$