Please answer these questions. No need to explain them thoroughly

Question 1: {1 point) I 61 Let 1" :tan (X) = :3; (3:) _Then d: is equal to 1 0 1+}:2 1 0 14:2 0 cut (2:) 1 0 ms 29) O cot (x) Question 2: (1 point) dy Let Y = 1 1 - x . Find dx O 201-x 2 O V1-2x O V1-2 -X O 1-X ,2 -1 O 201-x4Question 3: (1 point) Evaluate lim x-too x-8x3 4+x O +Do O O O -8 O NQuestion 4: (1 point) The function given by V = X" + 6x --63x + 10, withy' = 3(x-3) (X + 7), is decreasing on O (- 0o, - 7) and (3, + 00 ) O no interval O (-3, -7) O (- 0o, - 3) and (7, + 0o ) O (- 7, 3)