Answer
45. Let f be a function from A to B. Let S be a subset of B.
Show that f^{-1} (S) = f^{-1} (S).x}
Work Step by Step
45. Let f be a function from A to B. Let S be a subset of B.
Show that f −1(S) = f −1(S).
Discrete Mathematics and Its Applications, Seventh Edition
by Rosen, Kenneth
Published by
McGraw-Hill Education
ISBN 10:
0073383090
ISBN 13:
978-0-07338-309-5
Chapter 2 - Section 2.3 - Functions - Exercises - Page 154: 45
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