Khan/khan-exercises — Issue #15366: Functions 3 - f(10)=−10'2+(−7)*(10)+(2)*(30)
Author: KhanBugz
Created: 2012-03-04 18:19:36+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

f(10)=−10(squared)+(−7)*(10)+(2)*(30)

-10(squared)= 100
-7*10= -70
2*30= 60
100-70+60= 90
while the solution is trying to convince me, it is -110.

[functions_3.html?seed=102&problem=1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=102&problem=1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/functions_3.html?seed=102&problem=1&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22270%5C%22%22%2C64%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%5D)

["270"]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0.2) Gecko/20100101 Firefox/10.0.2

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