Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 1 - Linear Functions and Change - 1.2 Rate of Change - Exercises and Problems for Section 1.2 - Skill Refresher - Page 14: S4



Work Step by Step

Initial Equation: $$\frac{(1-3^{2})-(1-4^{2})}{3-4}$$ First, do the operations inside the parenthesis involving exponents: $$\frac{(1-9)-(1-16)}{3-4}$$ Then do the subtraction inside the parenthesis: $$\frac{-8-(-15)}{3-4}$$ Then preform the indicated operations in the numerator and denominator to simplify: $$\frac{7}{-1}$$ Do the division, and the final answer is $$-7$$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.