Khan/khan-exercises — Issue #13354: Range of a function - Equivalent answers for Range of a function?
Author: KhanBugz
Created: 2012-02-08 13:02:52+00:00
State: open
Labels: chrome, hard, win7

Reporter: rraab8@gmail.com

{y∣y>−1} = {y∣y≥0} Aren't these the same?

[range_of_a_function.html?seed=86&problem=quadratic-zero-hole](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/range_of_a_function.html?seed=86&problem=quadratic-zero-hole&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/range_of_a_function.html?seed=86&problem=quadratic-zero-hole&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22%E2%89%A5%5C%22%2C%5C%22-1%5C%22%5D%22%2C14%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22%E2%89%A5%5C%22%2C%5C%220%5C%22%5D%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%5D)

[["≥","-1"],["≥","0"]]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.46 Safari/535.11

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