Question 3 10 pts 5 1 0 Details A rocket is fired upward from some initial distance above the ground. Its height (in feet), h, above the ground t seconds after it is fired is given by h(t) = - 16t² + 64t + 336 a) Find the point that is the vertical intercept. What is the practical meaning of the vertical intercept? (Your instructor will grade this manually.) b) Find the point that is the vertex. c) The vertex is a O minumum point O maximum point d) What is the practical meaning of the vertex? (Your instructor will grade this manually.) dal