Importance of critical point in drawing the graph of modulus function

Draw the graph of signum function.

let f(x)=-|x-2|,x 3 Then the number of critical points on the graph of the function is

Draw the graph of the function: 1-x

Draw the graph of the function : 1-x .

Let f(x)={x^(3/5),ifxlt=1and (x-2)^3,ifx >1 Then the number of critical points on the graph of the function is___

Let f(x)={x^(3/5),ifxlt=1and (x-2)^3,ifx >1 Then the number of critical points on the graph of the function is___

Let f(x)={x^(3/5),ifxlt=1and (x-2)^3,ifx >1 Then the number of critical points on the graph of the function is___

L et f(x)={{:(x^(3/5),if xlt=1),(-(x-2)^3,ifx >1):} Then the number of critical points on the graph of the function is___

Let ={x^((3)/(5)), if x f(x)={x^((3)/(5)), if x Then the number of critical points on the graph of the function is _(-)

Draw the graph of the function f(x)=x^2