QUESTION 10 The graph defined by f(x) = x + ax + bx + c is shown along with its tangent g(x) = mx + c. Both graphs cut the y-axis at D. The graph of cuts the x-axis at (-3; 0), (2; 0) and (5;0). A B 10.1 Show that a -4, b = -11 and c = 30. (4) 10.2 Determine the coordinates of A, the turning point of f. (4) 10.3 Determine the equation of g. (2) 10.4 Determine the values of x for which: 10.4.1 f'(x)