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[Math] Difference Quotient

Started by Cireshie, Sep 25, 2015, 02:34 AM

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Cireshie

So, I was assigned this problem and I don't know what to do.

Find the difference quotient for the function 3-x2-x using [f(x+h)-f(x)]/h

@MobileHome18 @itsConnor_ @tree43

tree43

lol I'm not a math specialist nor know how to do this.

itsConnor_

This isn't on the A-level maths syllabus (AKAIK), but I will try and do it later - I'd just be using this video (or others) https://www.youtube.com/watch?v=1O5NEI8UuHM , so maybe try and use that in the meantime.
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Mod - summer 2012
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TheStarNomad✯

Never done this before but I know the first step is to put the (x+h) where ever you see an x

Long time StarNomad

Duncz

Sep 25, 2015, 08:09 PM #4 Last Edit: Sep 25, 2015, 08:21 PM by Duncz


edit: i spelt break wrong, niiiceeee
also my first time doing this but im pretty sure this is what you do. the american syllabus is weird

itsConnor_

Quote from: Duncz on Sep 25, 2015, 08:09 PMx
What are you planning on doing at university next year (assuming you're intending on going to university next year)? :)
Trainee & JMod July 2011-early 2012
Mod - summer 2012
Head of Hosts - December 2012 - July 2013
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Duncz

Quote from: itsConnor_ on Sep 25, 2015, 08:27 PM
Quote from: Duncz on Sep 25, 2015, 08:09 PMx
What are you planning on doing at university next year (assuming you're intending on going to university next year)? :)
physics! the best subject

itsConnor_

Quote from: Duncz on Sep 25, 2015, 08:28 PM
Quote from: itsConnor_ on Sep 25, 2015, 08:27 PM
Quote from: Duncz on Sep 25, 2015, 08:09 PMx
What are you planning on doing at university next year (assuming you're intending on going to university next year)? :)
physics! the best subject
ah, very good career prospects :P I'm applying for chemistry myself. What universities have you been looking at?
Trainee & JMod July 2011-early 2012
Mod - summer 2012
Head of Hosts - December 2012 - July 2013
Steam

Duncz

Quote from: itsConnor_ on Sep 25, 2015, 08:55 PM
Quote from: Duncz on Sep 25, 2015, 08:28 PM
Quote from: itsConnor_ on Sep 25, 2015, 08:27 PM
Quote from: Duncz on Sep 25, 2015, 08:09 PMx
What are you planning on doing at university next year (assuming you're intending on going to university next year)? :)
physics! the best subject
ah, very good career prospects :P I'm applying for chemistry myself. What universities have you been looking at?
ive put down nottingham, leicester, hertfordshire, surrey and loughborough with the intention of hopefully going to leicester. what about you?

itsConnor_

Quote from: Duncz on Sep 25, 2015, 09:08 PM
Quote from: itsConnor_ on Sep 25, 2015, 08:55 PM
Quote from: Duncz on Sep 25, 2015, 08:28 PM
Quote from: itsConnor_ on Sep 25, 2015, 08:27 PM
Quote from: Duncz on Sep 25, 2015, 08:09 PMx
What are you planning on doing at university next year (assuming you're intending on going to university next year)? :)
physics! the best subject
ah, very good career prospects :P I'm applying for chemistry myself. What universities have you been looking at?
ive put down nottingham, leicester, hertfordshire, surrey and loughborough with the intention of hopefully going to leicester. what about you?
Oh yes I went to the Nottingham open day (good university, but a bit big for me imo) - also Surrey has Jim Al-Khalili who is amazing. So far I've got Bath, Warwick, Durham (going to Durham open day tomorrow[6 hour drive..]) and Imperial. Not sure on the 5th yet..
Trainee & JMod July 2011-early 2012
Mod - summer 2012
Head of Hosts - December 2012 - July 2013
Steam

Duncz

Quote from: itsConnor_ on Sep 25, 2015, 09:15 PM
Quote from: Duncz on Sep 25, 2015, 09:08 PM
Quote from: itsConnor_ on Sep 25, 2015, 08:55 PM
Quote from: Duncz on Sep 25, 2015, 08:28 PM
Quote from: itsConnor_ on Sep 25, 2015, 08:27 PM
Quote from: Duncz on Sep 25, 2015, 08:09 PMx
What are you planning on doing at university next year (assuming you're intending on going to university next year)? :)
physics! the best subject
ah, very good career prospects :P I'm applying for chemistry myself. What universities have you been looking at?
ive put down nottingham, leicester, hertfordshire, surrey and loughborough with the intention of hopefully going to leicester. what about you?
Oh yes I went to the Nottingham open day (good university, but a bit big for me imo) - also Surrey has Jim Al-Khalili who is amazing. So far I've got Bath, Warwick, Durham (going to Durham open day tomorrow[6 hour drive..]) and Imperial. Not sure on the 5th yet..
bath is meant to be amazing.  Genius at my school got A*A*A*A* and denied Cambridge to go to Bath