# hi in numerator it is e raise to power modulus of x ...please help ….i posted ….......last time i posted this quetion …..at that time i called e raise to power integral part which is wrong sorry for that....

Jitender Singh IIT Delhi
7 years ago

Ans:
Hello Student,




So, range of f(x) varies from -1 to 1 (both exclusive).
But the co-domain is R.
So f(x) is into function. (Function is onto when co-domain equals to range).
For the second part,






So function takes same velue at two inputs in domain. So its many to one.