Define G: R R R R as follows: G(x, y) = (2y, x) for all (x, y) R R. a. Is G one-to-one
Chapter 7, Problem 28(choose chapter or problem)
Define G: \(\mathbf{R} \times \mathbf{R} \rightarrow \mathbf{R} \times \mathbf{R}\) as follows:
G(x, y) = (2y,−x) for all \((x, y) \in \mathbf{R} \times \mathbf{R}\).
a. Is G one-to-one? Prove or give a counterexample.
b. Is G onto? Prove or give a counterexample.
Text Transcription:
mathbf R times mathbf R rightarrow mathbf R times mathbf R
(x, y) in mathbf R times mathbf R
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