Question

Draw graph of $f:R\to R,$ $f\left(x\right)=\left|x\right|$

Answer 1

REF.Image

$f\left(x\right)=\left|x\right|$

To darw $\left|f\right(x\left)\right|$ we take mirror of graph below x- axis

an remove the graph below it

$\Rightarrow f\left(x\right)=x$