Superswagbooiiid Superswagbooiiid Mathematics Answered Let g(x) = 6x² - 1. (a) Find the average rate of change from 3 to 5. (b) Find an equation of the secant line containing (-3, g(-3)) and (5, g(5)). (a) The average rate of change from - 3 to 5 is (Simplify your answer.)