Khan/khan-exercises — Issue #14490: Inverses of functions - Suggestion
Author: KhanBugz
Created: 2012-02-23 11:28:57+00:00
State: open
Labels: chrome, other, win7

Reporter: hauke.hillebrandt@gmail.com

Great module! Just a suggestion for this exercise (and maybe other exercises as well):
when people have answered the question correctly, I think it would be good to plot the function after answering correctly (and maybe incorrectly!) to reinforce the concept (as is currently done only if you click through the hints).

[inverses_of_functions.html?seed=73&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverses_of_functions.html?seed=73&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverses_of_functions.html?seed=73&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3E-%5C%5C%5C%5Cfrac%7Bx%7D%7B2%7D-1%3C%2Fcode%3E%5C%22%22%2C53%5D%5D)

["-\\frac{x}{2}-1"]

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

MathJax is loaded, ready, queue length: 0