Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - 4-5 Writing a Function Rule - Practice and Problem-Solving Exercises: 18

Answer

p= 12c +72 The book with 25 chapters will have 372 pages.

Work Step by Step

p is the amount of pages in a book, and it increases by 12 pages everytime for each chapter and since the book has a 24 page introduction and 48 pages at the end, the makes the b-value 72, so the function rule should be p=12c+72. To find number of pages in a book with 25 chapters, plug the number of chapters in the equation p=12c+72 p=12(25)+72 p=300+72 p=372 pages
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