6.' Given the following information about the graph ofy = f(x): lit? f(x) = 5, lim f(x) = 5 and x> _ x>S+ f(5) = 2. Explain whether the function is continuous or discontinuous and how you know. 7. Find the coordinates of the point on the curve f(x) = 3x2 4x where the tangent is parallel to the liney = 2x 5. 8. Explain in your own words how average and instantaneous rates of change relate to a graph of a function. include a sketch