(a) Let p, q, r, s be integers with p q and r s. How...

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(a) Let p, q, r, s be integers with p ≤ q and r ≤ s. How many distinct functions are there with domain [p..q], and codomain [r..s]?

(b) Let p and q be integers with p ≤ q. How many distinct functions are there of the form f : [p..q] → [p..q] such that f(x) ≤ x for all x in the domain?

Related Book For answer-question

Discrete and Combinatorial Mathematics An Applied Introduction

ISBN: 978-0201726343

5th edition

Authors: Ralph P. Grimaldi

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Posted Date: Feb 07, 2020 03:59 PM

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(a) Let p, q, r, s be integers with p q and r s. How...

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ANumber of elements in domainqp Number ... View the full answer

Discrete and Combinatorial Mathematics An Applied Introduction

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