Khan/khan-exercises — Issue #5249: Domain of a function - No indication that imaginary numbers are not allowed
Author: KhanBugz
Created: 2011-10-31 04:53:39+00:00
State: open
Labels: ie8, vista

You might have high school student that know! This question is more about arithmetic than math!

Cheers - Bob

[domain_of_a_function.html?seed=23&problem=sqrt](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/domain_of_a_function.html?seed=23&problem=sqrt&debug)

["None of the above."]

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