Gregory R.

asked • 01/30/14

Find f^-1(x) the function is f(x)=2-(x+1/x)?

Have tried to solve this several times, but can't figure out what I'm doing wrong. Could someone illustrate the problem in steps? Thank you!

4 Answers By Expert Tutors

By:

Kenneth G. answered • 01/30/14

Tutor
New to Wyzant

Experienced Tutor of Mathematics and Statistics

Grigori S. answered • 01/30/14

Tutor
0 (0)

Certified Physics and Math Teacher G.S.

Steve S. answered • 01/30/14

Tutor
5 (3)

Tutoring in Precalculus, Trig, and Differential Calculus

John M. answered • 01/30/14

Tutor
4.9 (551)

Analytical assistance -- Writing, Math, and more

Kenneth G.

answer should be y = 1/(1-x).   
 
x = 1 - 1/y ,    x - 1 = = -1/y,   1/(x-1)  = -y,   y = 1/(1-x)  
Report

01/30/14

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.