AP每日复习2021年题目和答案 微积分AB 第7天 积分的应用2 AP Daily Review 2021 - Calculus AB Day 7 - Application of Integral.pdfVIP

AP DAILY LIVE REVIEW AB CALCULUS MARK VIRGE DAY 7 1. The graphs of the function 肀 and the line 肀 = 肀 + 1 are shown in the figure above. The graphs intersect at the points (鈭 饊寢 , 鈭?.571) , (饊寢 ,2.571) and (3饊寢 , 5.712) . Which of the following 2 2 2 expressions gives the area enclosed by the graphs? 饊寢/2 3饊寢/2 I. 鈭 (肀 (肀? 鈭 (肀 + 1))肀戫饱 + 鈭 ((肀 + 1 鈭 肀 (肀?)肀戫饱 鈭掟€寢/2 饊寢/2 3饊寢/2 II. |鈭 (肀 (肀? 鈭 (肀 + 1))肀戫饱 | 鈭掟€寢/2 3饊寢/2 | ( ) ( ) | III. 鈭 肀 肀 鈭 肀 + 1 肀戫饱 鈭掟€寢/2 ( ) (A) I only B I and II only (C) II and III only (D) I and III only ( ) ( )2 ( ) ( )2 2. The region bounded by the curves 肀 肀 = 1 鈭 肀 鈭 1 and 肀 肀 = 肀 鈭 2 鈭 4 is shown above. Which definite integral is equivalent to the area of the shaded region? 3 1 ( ) ( ) ( ) ( ) ( ) A 鈭 (肀 肀 鈭 肀 肀 )肀戫饱 (B) 鈭 (肀 肀 鈭 肀 肀 )肀戫饱 0 鈭? 3 3