Dene H:RRRR as follows: H(x, y) = (x +1,2y) for all (x, y)
Chapter 7, Problem 7.89(choose chapter or problem)
Dene H:RRRR as follows: H(x, y) = (x +1,2y) for all (x, y) RR. a. Is H one-to-one? Prove or give a counterexample. b. Is H onto? Prove or give a counterexample.
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