QUESTION 1 Find the open intervals where the function is concave upward or concave downward. Find any inflection points. O Concave upward on (-00, -1) and (2, co); concave downward on (-1, 2); inection point at (0, -1) O Concave upward on (-00, -1) and ('I, 00); concave downward on (-1, 1); inection points at (-3, -5), (0, -1), and (2, -2) O Concave upward on (-00, -1) and ('I, 00); concave downward on (-1, 1); inection points at (-1, -3) and (1, -2) O Concave upward on (-00, -3) and (2, no); concave downward on (-3, 2); inection points at (-1, -3) and (1, -2) \fQUESTION 2 FE" f(x) = 3x3 3x2 + 1 Find the domain 0 All reals 0 All positive numbers 0 All negative numbers 0 All numberS except 0 QUESTION 7 FE" f(x) = 3x3 3x2 + 1 What are the x value/s x) has a maximum? 0 2/3 0 0 O 2f3 and2 0 no maximums QUESTION 8 Orx) = 3x3 - 3x2 + 1 What is the x value of the point of inflection? 0113 O 0 O 2f3and2 0 no inection point.