Q 19 Do the following for the function f(x) = 3x² − 2x+6. (a) Express the slope of the secant line in terms of x and h. (b) Find me for h=0.5, 0.1, and 0.01 atx=1. What value does mec approach as h approaches 0? (c) Find the equation for the secant line at x=1 with h=0.01. (d) Graph f and the secant line found in part (c) on the same viewing window.