Find all points of discontinuity of f, where f is defined by`f(x)={(|x|)/x , ifx!=0 0, ifx=0`

Find all points of discontinuity of f,where fis defined by xf(x)={(x)/(|x|), if x =0

Find all points of discontinuity of f, where f is defined by f(x)={{:(x/(|x|), ifx<0),( 1, ifxgeq0):}

Find all points of discontinuity of f,where f is defined by |x|f(x)={(|x|)/(x), if x!=0 and 0,quad if x=0

Find all points of discontinuity of f, where f is defined by f(x)={2x+3,quad if x 2

Find all points of discontinuity of f, where f is defined by f(x) = {{:((|x|)/(x)," if "x ne0),(0," if "x= 0):}

Find all points of discontinuity of f, where f is defined by f(x) = {{:((|x|)/(x)," if "x ne0),(0," if "x= 0):}

Find all points of discontinuity of f, where f is defined by f(x) = {{:((|x|)/(x)," if "x ne0),(0," if "x= 0):}

Find all points of discontinuity of f, where f is defined by : f(x)={(|x|/x,,,,if x ne 0),(0,,,,if x=0):}