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Reference: Number and Language in Math
Reference: From Everyday Life to Math Language
Functions as "Maps" Between Sets
Functions f:A->B as "Maps"; Variables
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Problems
2
Consider the set:{(1,2)(2,4)(6,12)(8,16)(22,44)}\{(1,2)(2,4)(6,12)(8,16)(22,44)\}{(1,2)(2,4)(6,12)(8,16)(22,44)} is this a function?
Consider the set:{(1,5)(9,4)(21,12)(8,13)(22,12)}\{(1,5)(9,4)(21,12)(8,13)(22,12)\}{(1,5)(9,4)(21,12)(8,13)(22,12)} is this a function?
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