find inverse

by intenzxboi
Tags: inverse
intenzxboi is offline
Feb19-09, 12:21 PM
P: 98
1. The problem statement, all variables and given/known data
Suppose that f has an inverse and f (6) = 18, f'(6) = 4/5. If g = 1/(f-1), what is g'(18)?

have no idea how to set up problem
Phys.Org News Partner Science news on
NASA's space station Robonaut finally getting legs
Free the seed: OSSI nurtures growing plants without patent barriers
Going nuts? Turkey looks to pistachios to heat new eco-city
Tom Mattson
Tom Mattson is offline
Feb19-09, 01:22 PM
Sci Advisor
PF Gold
Tom Mattson's Avatar
P: 5,540
Do you read your textbook at all? If not then you should! In it you'll find a theorem that specifically deals with derivatives of inverse functions. Please flip through the section in which this exercise occurs and see if you can't find it. Then we can get started.

Register to reply

Related Discussions
Matrix pseudo-inverse to do inverse discrete fourier transform Linear & Abstract Algebra 3
How to find the Inverse of f(x) = 3+x+(e^x) Precalculus Mathematics Homework 7
Find The Range And Inverse! (please Help I Have Test Monday) Precalculus Mathematics Homework 2
trying to find an inverse equation - maybe cosh/sinh Calculus & Beyond Homework 2
Find the inverse of following function Calculus 1