Question: Please final answers Problem #7: Suppose y2 - x = y - In(69x). Use implicit differentiation to find an expression for y'. [3 marks] x

Please final answers

Please final answers Problem #7: Suppose y2 - x =
Problem #7: Suppose y2 - x = y - In(69x). Use implicit differentiation to find an expression for y'. [3 marks] x - 69 (A) y' = - 1 (B)y' = (2y- 1) x (C) y' = 09 - 2xy - * (D) y' = 1-2xy - x (E) y' = x-69 x x x- 1 (F)y' = x(2y - 1) Problem # 7: Select Save Problem #8: The graph of the first derivative f' of a function f is shown in the figure below. [4 marks] y = f'(x ) -2- 0 2 4 (a) On what interval(s) is f increasing? (b) On what interval(s) is f concave down? (A) none (B) (0, 2.5), (4, 6) (C) (2.5, 4), (6, 9) (D) (0, 9) (E) (0, 2), (3, 5), (7, 9) (F) (2, 3), (5, 7) (G) (0, 1), (6, 8) (H) (1, 6), (8,9) Problem # 8(a): Select @ 1 part (a) choices. (A) none (B) (0, 2.5), (4, 6) (C) (1, 6), (8,9) (D) (0, 9) (E) (0, 2), (3, 5), (7,9) (F) (2, 3), (5, 7) (G) (0, 1), (6, 8) (H) (2.5, 4), (6, 9) Problem #8(b): Select @ T part (b) choices

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