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FURTHER FUNCTIONS

Page history last edited by Steph Richards 13 years, 6 months ago

WJEC REQUIREMENTS FOR FP2 FUNCTIONS

 

REVISION OF CORE MATHS FUNCTIONS

 

INCREASING AND DECREASING, EVEN and ODD FUNCTIONS

 

 Find out here, "what is an EVEN FUNCTION, an ODD FUNCTION and MONOTONIC FUNCTIONS"

 

 

To show that the function is strictly decreasing over the given interval we must obtain the derivative of the function and show that this is negative for all values of x on the domain.
 
 

 

TO SHOW THE FUNCTION IS EVEN, ODD or NEITHER

 

TO INVESTIGATE THE ASYMPTOTES

 

  VIDEO PAST PAPER QUESTION ODD and EVEN FUNCTIONS

 

 

 POWERPOINT of Past Paper Questions (AQA) Asymptotes and Curve Sketching

 

 VIDEO PAST PAPER QUESTION(AQA) ASYMPTOTES AND CURVE SKETCHING

 

FUNCTIONS PIECEWISE BY PATRICK


Comments (2)

Drew H said

at 3:43 pm on Jun 18, 2009

i got a question, i know the odd function is f(-x) = -f(x) but when you apply the RHS of rule does it affect signs of positive constants, or just values with X in?

Steph Richards said

at 11:05 pm on Jun 18, 2009

on the RHS when you have -f(x) you have the negative of the function. So if f(x) was say f(x) = 2x+1 then -f(x) would be -(2x+1) or in other words -2x-1
But on the LHS where you have f(-x) then if f(x)=2x+1 then f(-x)=2(-x)+1 or in other words -2x+1
In this case they are different so this function is not odd

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