Complete in 30 min please

Question 5 Find the points of inflection for the function f (x) = 2x3 + 2x + 7. O (7, 0) O (0, 7) O (0, 2) O (2, 0) D Question 6 Find the points of inflection for the function f (x) = 24 - 24x2. O (0, 0) O (0, 0); (-2, -80) O (-2, -80); (2, -80) O (0, 0); (2, -80)