Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Asked: September 23, 20202020-09-23T00:46:55+01:00 2020-09-23T00:46:55+01:00In: NCERT 12th Maths

7. Give examples of two functions $f : N \to N$ and $g :N \to N$ such that $g \circ f$ is onto but f is not onto.

Hint : Consider $f(x) = x + 1$ and $g(x) = \begin{cases} x-1, & \text{if} \, x > 1 \\ 1, & \text{if} \, x = 1 \end{cases}$

Leave an answer
Cancel reply

You must login to add an answer.

Need An Account,

We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept”, you consent to the use of ALL the cookies.

Cookie settings ACCEPT

Privacy & Cookies Policy

7. Give examples of two functions $f : N \to N$ and $g :N \to N$ such that $g \circ f$ is onto but f is not onto.

Leave an answer
Cancel reply

Questions Categories

MAKAUT

NCERT 11th Maths

NCERT 10th Maths

NCERT 12th Maths

Advance Management of Data(AMD)

Python

Technology

R

Sign Up

Sign In

Forgot Password

7. Give examples of two functions and such that is onto but f is not onto.

Leave an answerCancel reply

Questions Categories

7. Give examples of two functions $f : N \to N$ and $g :N \to N$ such that $g \circ f$ is onto but f is not onto.

Leave an answer
Cancel reply