Let h(x)=x²-4
(a) Find the average rate of change from 6 to 8.
(b) Find an equation of the secant line containing (6, h(6)) and (8, h(8)).
4
(a) The average rate of change from 6 to 8 is
(Simplify your answer.)
(b) An equation of the secant line containing (6, h(6)) and (8, h(8)) is
(Type your answer in slope-intercept form.)
