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1. Which of the following summations: 1. is correctly evaluated and 2. correctly calculates the right-hand Riemann sum estimate of the area between the curve y = In(@) and the x-axis on the interval (1, 5), with 4 rectangles of equal width? For any intervals on which the function dips below the x-axis, count the area as negative. O 5 #=1 E In(x) = 31n(2) + In(3) + In(5) O 5 E In(x) = In(2) + In(3) O 5 E ln(x) = In(2) + In(3) O 1 2 E In(x) = 21n(2) + In(3) O 5 E In(@) = 31n(2) + In(3) + In(5)1D. The table below ves values of a continuous function f. The trapezoidal approximation for \"[115 f (3:) dz, found with 3 intervals of equal length, is -13. What is the value of k? 11. The table below gives values of a continuous function f. The trapezoidal approximation for A f (*) dx, found with 4 intervals of equal length, is -18. What is the value of k? 4 6 8 10 12 f(x) k 6 4 -7 .9 O -1.5 O -0.5 O 0.333 O 4 O 114. Use a left and right Riemann Sum to approximate the area under this curve on the interval [-2, 3] . Graph of f 4 2 1-4 -2 0 2 4 Which gives an underestimate? Overestimate? O Left is an overestimate, right is an underestimate. O It depends on the size of the rectangles used. Both are overestimates. O Both are underestimates. O Left is an underestimate, right is an overestimate.18. Let f be the function defined by f (x) = V+3 Which of the following statements is true? f is not differentiable at r = -3 O lime : 3 f(x) 70 O = -3 is a vertical asymptote of the graph of f O f is continuous and differentiable at r = -3 O f is not continuous at r = -3e. Let f be afunction whose rst derivative is f (a) = I: [2t_3 + 2)2 dt. For 4 at: s: a: S, which of the following is true? 0 f is increasing and the graph of f is concave 11p. 1' is decreasing and the graph of f is concave 11p. f is increasing and the graph of f is concave down. 1' is decreasing and the graph of f is concave down. 0000 f is decreasing, then increasing on the interval [1 s: s: 4:: 3 and the graph of f is concave up