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- Aug 7th 2012, 05:57 AMmathewnarenOrdered pair of function
- Aug 7th 2012, 06:03 AMemakarovRe: Ordered pair of function
Are you comfortable with the

*definitions*of function, domain and range? Can you write them from memory and can you give counterexamples, i.e., something that is*not*a function, a set that is*not*the domain of a given function and a set that is*not*the range of a given function? If you are not comfortable with definitions and examples, you should go back to the textbook or lecture notes and read them again. - Aug 7th 2012, 06:08 AMmathewnarenRe: Ordered pair of function