Question 6 The tangent to the curve y = 1/r intersects the r-axis at (v2, 0). What is its y-intercept? (a) 2v/2 (b ) yz (c) V2 (d) 1 + v2 (e) none of these Question 7 Suppose that f'(x) = (x2 - 5r + 4)(x -1) for all r E R. Which of the following is true? (a) f(4) is the max value of f (b) f(4) is the minimum value of f (c) f(1) is the max value of f (d) f(1) is the min value of f (e) none of these Question 8 (11 - 2| + (x) dx = (a) 4 (b) 3.5 (c) 3 (d) 2 (e) none of these Question 9 Suppose that [ f(x) dx = -4 = J3 2g(x) dx. If k is a constant and SS [3f(x) - kg(x)] dx = 1, then k = (a) 13/2 (b) -13/2 (c) 13 (d) -13 (e) none of these Question 10 lim 14-09 0 - V2 -5 (a) 1 (b) -1 (c) Do (d) -00 (e) none of these