Let A = {1, 2, 3,..., 10}, and B = {1,2,3, ..., 7}. How many functions f:

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Let A = {1, 2, 3,..., 10}, and B = {1,2,3, ..., 7}. How many functions f: A → B satisfy |f(A)| = 4? How many have |f(A)| ≤ 4?

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Discrete and Combinatorial Mathematics An Applied Introduction

ISBN: 978-0201726343

5th edition

Authors: Ralph P. Grimaldi

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Question Posted: Jun 21, 2016 08:37 AM

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Let A = {1, 2, 3,..., 10}, and B = {1,2,3, ..., 7}. How many functions f:

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For 1 i 7 let c i denote the condition tha...View the full answer

Discrete and Combinatorial Mathematics An Applied Introduction

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