Answer
(c)
Work Step by Step
By definition, the contrapositive of "$A \Longrightarrow B$" is the implication " $\neg B \Longrightarrow \neg A$". So the right answer is
(c) $\neg B \Longrightarrow \neg A$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Appendix A - The Language of Mathematics - Preliminary Questions - Page A5: 1
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