3+4x 20 7x-2 10 (1,5) Slope of tangent line at(1, 5) -10 Is n 7. FIGURE 3. 6 Copyright@2011 Pearson Education, Inc. Publishing as Pears on Addison-Wesley Slide 3-11Copyright © 2011 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide 3 - 11