On an MAT102 test Catherine presented the following argument: "To prove that q: ZxZZ, q(x, y) = = x +y is surjective, we first choose any m € Z. Then we set x = 1 and y = m - 1. Since q (x, y) = x+y=1+(m-1) = m, this implies that q is a surjective function." What can be concluded about this proof? [Select]

On an MAT102 test Catherine presented the following argument: "To prove that q: ZxZZ, q(x, y) = = x +y is surjective, we first choose any m € Z. Then we set x = 1 and y = m - 1. Since q (x, y) = x+y=1+(m-1) = m, this implies that q is a surjective function." What can be concluded about this proof? [Select]

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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This hypothesis always contains the statement of equality.
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