12 đề kiểm tra Đại số và Giải tích 11 chương 4 (Giới hạn) trường Nguyễn Trung Trực – Bình Định

Mô tả

S GD- nh Ki m tra m t ti t - Năm họ c 2016-2017 Tr ng THPT Nguy n Trung Tr c Môn: Gi i tích 11 H tên h c sinh: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SBD: . . . . . . . . .L p: 11A . . . Câu 1. Hãy ch n m sai trong các m sau? A. Hàm s f(x) liên t t m t nghiêm thu c (a;b). B. Hàm s f(x) đượ c g n t i x 0 n u x 0 không thu c t nh c a nó C. Hàm s f(x) đượ c g i là liên t c t i x 0 thu c t nh c a nó n u ( ) ( ) = 0 0 x x lim f x f x D. Hàm s f(x) liên t c trên kho t m t nghiêm thu c [a;b]. Câu 2. Cho 2 4 2 2n 3n 2 L lim n n 1 + = + + . Khi đó: A. L = 2 B. L = 1 C. L = 0 D. L = -2 Câu 3. Cho 2 x 4 x 5x 4 L lim x 4 + + = + . Khi đó: A. L = 3 B. L = + C. L = 5 D. L = -3 Câu 4. Cho hàm s : 2 1 1 ( ) 1 1 x neu x f x x a neu x = = f(x) liên t c t 0 = 1 thì a b ng? A. 0 B. 2 C. -1 D. 1 Câu 5. b ng: A. + B. - 2 C. - 4 D. 0 Câu 6. Tìm 2 2 4 1 lim 2 3 x x x x x + + A. 1 2 B. C. 1 2 D. +∞ Câu 7. Cho = + n n n 2 5 L lim 5 1 . Khi A. L = - B. L = + C. L = -1 D. L = 0 Câu 8. Hàm s nào sau đâu liên tụ c trên R A. y = sin B. y = cotx C. y = 3 x D. y = Câu 9. Cho 2 3 x L lim (x x 2) = + . Khi đó: A. L = - B. L = + C. L = 0 D. L = 2 Câu 10. Cho ( ) = + 2 (2n 1) 2 n L lim n 3n 1 . Khi đó: A. L = 2 B. L = 1 C. L = -2 D. L = 4 Câu 11. Cho 3 3 2n 5n 3 L lim 3n n + = . Khi đó: A. L = 3 B. L = 0 C. L = + D. L = 2 3 Câu 12. Cho x 2 x 1 L lim x 2 = . Khi đó: A. L = + B. L = 1 C. L = 0 D. L = - 2 2 4 lim 2 x x x + x 2 2 3 4 x x +Ph n t lu n: Câu 1: Tính các giới hạn sau: a) + 2 x 1 3x 1 2 lim 1 x b) ( ) 2 lim n n 3 n + Câu 2: Xét tính liên tục của hàm số sau trên R: f(x) = 2 1 x khi x 3 x 2x 3 khi x 3 2x 6 > Câu 1 2 3 4 5 6 7 8 9 10 11 12 ...................................................................................................................................................................................................... ...................................................................................................................................................................................................... ...................................................................................................................................................................................................... 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