S.O.S. Mathematics CyberBoard

Your Resource for mathematics help on the web!
It is currently Wed, 19 Jun 2013 08:08:59 UTC

View unanswered posts | View active topics


Board index » High School and College Mathematics » Algebra

All times are UTC [ DST ]



Post new topic Reply to topic  Page 1 of 1
  [ 2 posts ] 
  Print view Previous topic | Next topic 
Author Message
robyn234
 Post subject: inverse functions and domains
PostPosted: Thu, 3 Nov 2011 01:58:11 UTC 
Offline
S.O.S. Newbie

Joined: Thu, 3 Nov 2011 01:54:41 UTC
Posts: 1
Find (f ◦ g)(x) for each of the indicated pairs of functions stating Df , Dg and Df◦g.
(a) f(x) = 3x + 8 and g(x) = x−8
3
Top
 Profile  
 
helmut
 Post subject: Re: inverse functions and domains
PostPosted: Thu, 3 Nov 2011 03:50:54 UTC 
Offline
Site Admin
User avatar

Joined: Sat, 26 Apr 2003 22:14:40 UTC
Posts: 2064
Location: El Paso TX (USA)
f(x) = \frac{3x + 8}{3} and g(x) = x-8?

In this case, all three answers are: the set of real numbers.

_________________
The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low, and achieving our mark. - Michelangelo Buonarroti
Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  Page 1 of 1
  [ 2 posts ] 

Board index » High School and College Mathematics » Algebra

All times are UTC [ DST ]

Who is online

Users browsing this forum: No registered users

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum

Search for:
Jump to:  
Contact Us | S.O.S. Mathematics Homepage
Privacy Statement | Search the "old" CyberBoard

users online during the last hour
Powered by phpBB © 2001, 2005-2011 phpBB Group.
Copyright © 1999-2013 MathMedics, LLC. All rights reserved.
Math Medics, LLC. - P.O. Box 12395 - El Paso TX 79913 - USA