Khan/khan-exercises — Issue #8709: Algebra challenge - Hint error
Author: KhanBugz
Created: 2011-12-15 12:04:45+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

The first hint contains a character that looks like a minus sign. I don't understand why it is there.

[algebra_challenge.html?seed=139&problem=16 (shifting_and_reflecting_functions)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=139&problem=16&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=139&problem=16&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3Ef(x-1\)-1%3C%2Fcode%3E%5C%22%22%2C23%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%5D)

["f(x-1)-1"]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

MathJax is loaded, ready, queue length: 0