F Determine the axis of symmetry 9 Determine the minimum or maximum value of the function h Write the domain and range in interval notation Write your answers in exact form Part 1 of 9 a Determine whether the graph of the parabola opens upward or downward The graph of the parabola opens downward Part 2 of 9 b Identify the vertex The vertex is 33 Part 2 9 Part 3 of 9 c Determine the x intercept s Use the ordered pair button to enter your answer Separate your answers using commas if necessary Select None if applica T intercent ch 6