Khan/khan-exercises — Issue #8616: Functions 3 - functions 3 
Author: KhanBugz
Created: 2011-12-14 06:31:51+00:00
State: open
Labels: chrome, wrong-or-unclear, xp

Reporter: castaneda262@msn.com

-12 to the second power is -12 x -12 which equals positive 144 not -144. Therefore h(12)= 144 - 48 - 240
= -144

[functions_3.html?seed=10&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=10&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=10&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22-144%5C%22%22%2C205%5D%2C%5B%22hint-activity%22%2C%220%22%2C163%5D%2C%5B%22hint-activity%22%2C%220%22%2C163%5D%2C%5B%22hint-activity%22%2C%220%22%2C164%5D%2C%5B%22hint-activity%22%2C%220%22%2C164%5D%2C%5B%22hint-activity%22%2C%220%22%2C164%5D%2C%5B%22hint-activity%22%2C%220%22%2C164%5D%2C%5B%22hint-activity%22%2C%220%22%2C164%5D%2C%5B%22hint-activity%22%2C%220%22%2C165%5D%2C%5B%22hint-activity%22%2C%220%22%2C165%5D%2C%5B%22hint-activity%22%2C%220%22%2C165%5D%2C%5B%22hint-activity%22%2C%220%22%2C165%5D%5D)

["-144"]

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

MathJax is loaded, ready, queue length: 0