## Algebra and Trigonometry 10th Edition

$\frac{f(x_2)-f(x_1)}{x_2-x_1}=\frac{(-2(3)^2+5(3)+3) - (-2(1)^2+5(1)+3)}{3-1}$ (Average rate of change) $=\frac{-6-0}{2}=-3$