Problem(3) (10 points) The graph of a function y = f(x) = x² - 2x - 4 is given below. y (a) 15 14 13 12 11 10 9 8 7

6 5 y = f(x) = (1/3)x²2x-4 1 2 3 (b) 4 5 X Find the indicated quantity and interpret that quantity in terms of the graph provided. ƒ(6)-f(9) 6-9 ƒ(6+h)-f(6) (6+h)-6 (c) lim-0 10 (d) Find the equation of the tangent line at z = 6. 11 f(6+h)-f(6) (6+h)-6