Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,604

Just finished Composition of Functions

Comments, corrections, you know the drill!

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 102,373

Hi MathsisFun;

Looks nice and explains it well. Didn't find anything wrong with it. What is your opinion of how they do it here and do you think it is worth adding something like this:

http://www.purplemath.com/modules/fcncomp4.htm

http://www.purplemath.com/modules/fcncomp5.htm

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,604

She has done a good job there, as usual!

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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