Question

Find the domain and range of Signum function​

Answer 1

Answer:

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}

.

.

.

Hope this helps ☺️☺️

Bye

Answer 2

Step-by-step explanation:

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}