   Chapter 7.1, Problem 25ES ### Discrete Mathematics With Applicat...

5th Edition
EPP + 1 other
ISBN: 9781337694193

#### Solutions

Chapter
Section ### Discrete Mathematics With Applicat...

5th Edition
EPP + 1 other
ISBN: 9781337694193
Textbook Problem
4 views

# Let A = { 2 , 3 , 5 } and B = { x , y } . Let p 1 and p 2 be the projections of A × B onto the first and second coordinates. That is, for each pair ( a , b ) ∈ A × B ,   p 1 ( a , b ) = a and p 2 ( a , b ) = b . a. Find p 1 ( 2 ,   y ) and p 1 ( 5 ,   x ) . What is the range of p 1 ? b. Find p 2 ( 2 ,   y ) and p 2 ( 5 ,   x ) . What is the range of p 2 ?

To determine

(a)

Find p1(2,y) and p1(5,x) what is the range of p1 ?

Explanation

Given information:

p1(2,y) and p1(5,x)

Concept used:

A={2,3,5},B=(x,y)A×B={(2,x),(2,y),(3,x),(3,y),(5,x)<

To determine

(b)

Find p2(2,y) and p2(5,x), what is the range of p2 ?

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