Note for Domain: [-1,1] is the same as -1<=x<=1. Whereas (-1,1) is the same as -1<x<1.
Relations (D & R from graph)
Fighting arithmophobia one student at a time
leeman
Relations (D & R from graph)
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Fighting arithmophobia one student at a time
Note for Domain: [-1,1] is the same as -1<=x<=1. Whereas (-1,1) is the same as -1<x<1.