need help urgently plz?

0 ⤊

need help urgently plz?

Which of the following functions is its own inverse? In other words, for which of the following functions is f ^–1(x) = f(x)?
(a)x^2 (b) sqrt(x) (c) x^3 (d) 1/x

2007-02-04 19:07:17 · 4 answers · asked by prabhjyot 2 in Education & Reference ➔ Homework Help

4 answers

Oops! Was hoping I could help you with simple questions -- like what's 2 + 2 !!!!

And, please don't tell me this is 5th grade math !!!!
:-)

2007-02-04 19:27:31 · answer #1 · answered by Adios 7 · 0⤊ 0⤋

1/x

2007-02-05 07:00:14 · answer #2 · answered by raj 7 · 0⤊ 0⤋

its (d) 1/x

2007-02-05 03:15:16 · answer #3 · answered by samsung 1 · 0⤊ 0⤋

2007-02-05 05:32:06 · answer #4 · answered by shabaz khan 2 · 0⤊ 0⤋