Question

how to find the domain of a function?

Answer 1

depends on what you are given
the real truth is that there should be nothing to find
part of the definition of a function should be its domain

Answer 2

http://www.coolmath.com/algebra/15-functions/06-finding-the-domain-01.htm
i just dont understand this!!!
make it clear? @satellite73

Answer 3

in simple words if y=f(x) then domain of function is all possible values of x that's it.. :)

Answer 4

well it can be infinite.... excluding a number. would you gimme a worked example?
:) @prince90p

Answer 5

yes it can be .. but not for all the functions

let y=1/x

here if you take x=0 then function is not defined

so x=0 it not possible while x can take value of any real no.!

so in other words domain of function i termed as all the values of x for which function is defined !!

Answer 6

and how do you write it for exams?
range of f=domain of f' right??

Answer 7

for inverse of function x its ok.. you are right.!

Answer 8

thanks bro..
:)