Khan/khan-exercises — Issue #10316: Functions 3 - Incorrect Solution
Author: KhanBugz
Created: 2012-01-04 18:47:35+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

Reporter: aaron.k.williams@gmail.com

This question has an incorrect solution. The correct solution is -175. The error is introduced finding f(-2)...the -10 from calculating g(-2) is counted a second time while finding f(-2). The final answer is 5(-35)=-175

[functions_3.html?seed=181&problem=1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=181&problem=1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=181&problem=1&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22-175%5C%22%22%2C82%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C19%5D%2C%5B%22hint-activity%22%2C%220%22%2C20%5D%2C%5B%22hint-activity%22%2C%220%22%2C391%5D%2C%5B%22hint-activity%22%2C%220%22%2C391%5D%2C%5B%22hint-activity%22%2C%220%22%2C391%5D%5D)

["-175"]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

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