The signum (or sign) function, denoted by sgn, is defined by sgn x={ -1 if x<0 0 if x=0 1 if x>0 . (a) Sketch the graph of this function. (b) Find each of the following limits or explain why it does not exist. (i) limx →0^+ sgn x (ii) limx →0^- sgn x (iii) limx →0 sgn x (iv) limx →0|sgn x| | Numerade
The signum (or sign) function, denoted by sgn, is defined by sgn …
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Show that the Signum Function f : R → R, given by , if, if, iff(x)={1, if x>00, if x =0-1, if x<0 is neither one-one nor onto. - Mathematics | Shaalaa.com
Show that the Signum Function f : R → R, given by , if, if, iff(x)={1, if x>…
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SIGN Function
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