Q1]. .. [10 points] Let In denote the left-endpoint sum using n subintervals. Compute Le for 2 f(x) = (I - 1) on [3,6]. Q2]. . . [10 points] Evaluate Jo + 1 dx by using Rieman sums. -COST Q3]. . . [10 points] Let F(x) = 13 - 4t + 3 dt. Find F(x). BinT I Q4]. . . [10 points] Evaluate dx V10 + 12 Q5]. .. [10 points] Find the area of the region between the curves y = r' and y = 3.r + 4