1. Given a function f : A → B. Define the relation f from P(A) to P(B) by f= {(X,Y) Ɛ P(A) × P(B)|Y = f(X)} . %3D a. Show that f is a function from P(A) to P(B). b. Show that if f is one-to-one, then f is one-to-one. c. Show that if f is onto B, then f is onto P(B)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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1. Given a function f : A → B. Define the relation f
from P(A) to P(B) by
f= {(X,Y) Ɛ P(A) × P(B)|Y = f(X)} .
%3D
a. Show that f is a function from P(A) to P(B).
b. Show that if f is one-to-one, then f is one-to-one.
c. Show that if f is onto B, then f is onto P(B)
Transcribed Image Text:1. Given a function f : A → B. Define the relation f from P(A) to P(B) by f= {(X,Y) Ɛ P(A) × P(B)|Y = f(X)} . %3D a. Show that f is a function from P(A) to P(B). b. Show that if f is one-to-one, then f is one-to-one. c. Show that if f is onto B, then f is onto P(B)
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