Question

Understanding and drawing group of basic functions and check the functions as one one and onto with respect to their domain and range using graph of the functions

Answer 1

Answer:

Solution

verified

The function f:R→R defined by

f(x)=

⎩

⎪

⎪

⎨

⎪

⎪

⎧

1,ifx>0

0,ifx=0

−1,ifx<0

is called signum function

We have

x −3 −2 −1 0 1 2 3

f(x) −1 −1 −1 0 1 1 1

Domain =R

Range ={−1,0,1}

@ EVYAAN.