Khan/khan-exercises — Issue #14179: Functions 3 - functions don't all correspond 
Author: KhanBugz
Created: 2012-02-19 12:25:29+00:00
State: open
Labels: chrome, other, win7

Reporter: tryfan99@googlemail.com

on functions 3 when there are 3 functions: f, g and h sometimes 1 is not used, for instance f(g(0))

f = x+1
g = x+2-f(x)
h = x/2+f(x+2)

as you can see h is not used.
i'm pretty sure this isn't intentional so i thought i'd say

[functions_3.html?seed=171&problem=1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=171&problem=1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=171&problem=1&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11

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