Draw the graph of the modulus function, defined by
`f:RtoR:f(x)=|x|={{:(x",when "xge0),(-x",when "xlt0):}`

Draw the graph of the signum function, f:RtoR , defined by f(x)={{:((x)/(|x|)",when "xne0),(0",when "x=0):}orf(x)={{:(1",if "xgt0),(0",if "x=0),(-1",if "xlt0):}

Draw the graph of the modulus function f: R to R defined by f(x) = |x| AA x in R .

Draw the graph of the fractional part function: f:RtoR:f(x)=x-[x]=[x]

Draw the graph of the function, f(x)=sqrt(x)(xge0) .

Draw the graph of the identity function f:RtoR:f(x)=x for all x""inR .

Consider the real function f:RtoR , defined by f(x)={{:(1-x",""when "xlt0),(1",""when "x=0),(x+1",""when "xgt0):} Write its domain and range. Also, draw the graph of f(x).

Draw the graph of the function " "y=f(x)={:{(|x|/x",","when "x ne 0),(0",","when "x = 0):} From the graph examine the continuity of f(x) at x = 0.

Draw the graph of the smallest integer function f:RtoR:f(x)=[x]" for all "x""inR .

Draw the graph of the signum function f(x)={{:(|x|/x, " when ", x ne0),(0," when ", x=0):}