Embibe Experts Solutions for Chapter: Functions, Exercise 2: EXERCISE-2

$f\left(x\right)>x;\forall x\in R$. Then the equation $f\left(f\left(x\right)\right)-x=0$ has

If $f\left(x+ay, x-ay\right)=axy$ then $f\left(x,y\right)$ is equal to-

The range of the function $f\left(x\right)=\sin \left[\log \left(\frac{\sqrt{4-x^2}}{1-x}\right)\right]$ is-

Which of the following pairs of functions are identical ?

Which of the functions defined below are NOT one-one function(s) ?

Which of the functions are even-

Which of the functions are periodic?

Which of the following functions from $Z$ to itself are NOT bijections?