Khan/khan-exercises — Issue #6718: Functions 3 - This Answer To This Is Wrong
Author: KhanBugz
Created: 2011-11-19 23:15:42+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: norkorn@isd.sn

In the information given it says f(x)=2x^2-4x and then as a hint it says f(1)= 2*(1^2)+ (-4)(1). In the information given there's no addition symbol.

[functions_3.html?seed=14&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=14&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=14&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%222448%5C%22%22%2C220%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22correct-activity%22%2C%22%5C%220%5C%22%22%2C172%5D%5D)

["2448","0"]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.120 Safari/535.2

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