Question 4 Not yet answered Marked out of 1.00 P Flag question Find all points of the graph of f(x) = 3x2 + 9x whose tangent lines are parallel to the liney - 33.r = 0. Select one: O a. (4, 84) O b. (7, 210) O c. (6, 162) O d. (5, 120) O e. (4, -184) Question 5 Not yet answered Marked out of 1.00 F Flag question Determine all the number(s) c which satisfy the conclusion of Mean Value Theorem for h(z) = 423 - 82 + 72 - 2 on the interval [2, 5]. Select one: O a. 2+V79 O b. 2+v 79 O c. BY70 O d. 3-V70 O e. 2+v17 Question 6 Not yet answered Marked out of 1.00 P Flag question If x' + ry + y' = 0, find dy/der Select one: 0 b. - 2rty 0 -1+39- -20 x137 -1