Khan/khan-exercises — Issue #11314: Domain of a function - domain and range
Author: KhanBugz
Created: 2012-01-15 22:56:17+00:00
State: open
Labels: hard, ie8, win7

Reporter: josh_sweetdude@hotmail.com

i dont quiet understand the range and i keep getting stuck with domain

[domain_of_a_function.html?seed=197&problem=sqrt-frac](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/domain_of_a_function.html?seed=197&problem=sqrt-frac&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/domain_of_a_function.html?seed=197&problem=sqrt-frac&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3CCODE%20style%3D%5C%5C%5C%22DISPLAY%3A%20none%5C%5C%5C%22%20type%3D%5C%5C%5C%22math%2Ftex%5C%5C%5C%22%3E%5C%5C%5C%5C%7B%20%5C%5C%5C%5C%2C%20x%20%5C%5C%5C%5Cin%20%5C%5C%5C%5CRR%20%5C%5C%5C%5Cmid%20x%20%5C%5C%5C%5Cneq5%5C%5C%5C%5C%2C%20%5C%5C%5C%5C%7D%3C%2FCODE%3E%5C%22%22%2C103%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22%3CCODE%20style%3D%5C%5C%5C%22DISPLAY%3A%20none%5C%5C%5C%22%20type%3D%5C%5C%5C%22math%2Ftex%5C%5C%5C%22%3E%5C%5C%5C%5C%7B%20%5C%5C%5C%5C%2C%20x%20%5C%5C%5C%5Cin%20%5C%5C%5C%5CRR%20%5C%5C%5C%5Cmid%20x%20%26gt%3B5%5C%5C%5C%5C%2C%20%5C%5C%5C%5C%7D%3C%2FCODE%3E%5C%22%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C11%5D%2C%5B%22hint-activity%22%2C%220%22%2C2151%5D%2C%5B%22correct-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C2157%5D%5D)

["\\{ \\, x \\in \\RR \\mid x \\neq5\\, \\}","\\{ \\, x \\in \\RR \\mid x >5\\, \\}","None of the above."]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; GTB7.2; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; .NET4.0C)

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