2 Limits and Continuity

Quiz for Chapter 2

1、单选题:

​Find 

‍选项:
A:
B:
C:
D:
答案: 【 

2、单选题:

‎Find 

‌选项:
A: 1
B:

C:
D: 2
答案: 【 

3、单选题:

‎If , find .

‍选项:
A: 7
B: 8
C: 6
D: 5
答案: 【 7

4、单选题:

‏Find 

‍选项:
A: 1
B: 0
C: 2
D: 0.5
答案: 【 1

5、单选题:

‎Find 

‏选项:
A: 0.5
B: 1
C: 0
D: 1.5
答案: 【 0.5

6、单选题:

‏Find 

‍选项:
A: 0
B: 1
C: 2
D: -1
答案: 【 0

7、单选题:

‍Find 

​选项:
A:
B:
C: 0
D: 1
答案: 【 

8、单选题:

‍At what points are the function  continuous?

‎选项:
A: Discontinuous at odd integer multiples of , but continuous at all other x.
B: Discontinuous at even integer multiples of , but continuous at all other x.
C: Continuous at odd integer multiples of , but discontinuous at all other x.
D: Continuous at even integer multiples of , but discontinuous at all other x.
答案: 【 Discontinuous at odd integer multiples of , but continuous at all other x.

9、单选题:

‎Find the limit of the function  and is the function continuous at the point being approached?

​选项:
A: The limit is 0 and the function is continuous at 
B: The limit is 0 and the function is discontinuous at 
C: The limit is 1 and the function is continuous at 
D: The limit is 1 and the function is discontinuous at 
答案: 【 The limit is 0 and the function is continuous at 

10、单选题:

​For  find the number  by using the two steps learned in 2.3.

‌选项:
A: 0.055
B: 0.06
C: 0.07
D: 0.05
答案: 【 0.05

11、单选题:

​On what interval is the function continuous?

‎选项:
A:
B:
C:
D:
答案: 【 

12、单选题:

‎On what interval is the function continuous?

‎选项:
A:
B:
C:
D:
答案: 【 

13、单选题:

‎On what interval is the function continuous?

‏选项:
A:
B:
C:
D:
答案: 【 

14、单选题:

‍On what interval is the function continuous?

‌选项:
A:
B:
C:
D:
答案: 【 

15、单选题:

Find the average rate of change of the function  over the given interval [0,2]

‏选项:
A: 2
B: 1
C: 3
D: 4
答案: 【 1

16、单选题:

Find the average rate of change of the function  over the given interval [2,3]

‍选项:
A: 18
B: 21
C: 19
D: 16
答案: 【 19

17、单选题:

Evaluate the limit(The answer should be decimals.)

‌选项:
A: 1.5
B: -1.5
C: 0.25
D: 1
答案: 【 -1.5

18、单选题:

​Find the limit

‌选项:
A: -1/3
B: 2/3
C: 1/5
D: 1/6
答案: 【 -1/3

19、单选题:

and

​选项:
A:  -10, -5
B: 10, -5
C: -10, 5
D: 10, 5
答案: 【  -10, -5

20、单选题:

and

‌选项:
A:  0, 0
B:  0, 3
C:  1, 1
D: 1, 0
答案: 【  0, 3

21、单选题:

‍Find the limit

​选项:
A: 1/2
B: 1/5
C: 1/3
D: 1/4
答案: 【 1/2

22、单选题:

​Find the limit

‎选项:
A: -1
B: 0
C: 1
D: 2
答案: 【 -1

23、单选题:

‏Find

‌选项:
A: 0
B: 1
C: -1
D: 2
答案: 【 0

24、单选题:

‌Find

‏选项:
A: 0
B: 1
C: 1/3
D: 3
答案: 【 0

25、单选题:

‍Find

​选项:
A: 1/2
B: -2/3
C: -1/5
D: 1/5
答案: 【 1/2

26、单选题:

‌Find

‍选项:
A: 1
B: 2
C: 3
D: 4
答案: 【 1

27、单选题:

​Find

‌选项:
A: 3/2
B: -4/5
C: -7/3
D: ∞
答案: 【 3/2

28、单选题:

‏Find

​选项:
A: 1
B: 2
C: 3
D: 4
答案: 【 1

29、单选题:

At what points, is the function continuous?

‍选项:
A: A. continuous on every x
B: B. Continuous only when x=2
C: C. Discontinuous on every x
D: D. Discontinuous only when x=2
答案: 【 D. Discontinuous only when x=2

30、单选题:

At what points, is the function continuous?

​选项:
A: A. Continuous only when x=-2
B: B. Discontinuous on every x
C: C. Discontinuous only when x=-2
D: D. continuous on every x
答案: 【 C. Discontinuous only when x=-2

31、单选题:

At what points, is the function continuous?

​选项:
A: A. Discontinuous only when x= 3 or x= 1
B: B. continuous on every x
C: C. Discontinuous on every x
D: D. Continuous only when x= 3 or x= 1
答案: 【 A. Discontinuous only when x= 3 or x= 1

32、单选题:

At what points, is the function continuous?

‏选项:
A: A. continuous on every x
B: B. Discontinuous only when x=5 or x=-2
C: C. Discontinuous on every x
D: D. Continuous only when x=5 or x=-2
答案: 【 B. Discontinuous only when x=5 or x=-2

33、单选题:

‍Find

‍选项:
A: -3/4
B: 3/4
C: 0
D: 3
答案: 【 -3/4

34、单选题:

‌Find

‏选项:
A: 15
B: 3
C: 5
D: 1
答案: 【 15

35、单选题:

‏Find

‌选项:
A: 1/2
B: 1
C: 2
D: 1/3
答案: 【 1/2

36、单选题:

​Find

‏选项:
A: 0
B: 2
C: 3
D: 1
答案: 【 1

37、单选题:

​Find

‍选项:
A: 1/8
B: 1
C: 0
D: 2
答案: 【 1/8

38、单选题:

‎Find

‌选项:
A: 1
B: 0
C: 2
D: ∞
答案: 【 1

39、单选题:

‏Find

‌选项:
A: -1/4
B: 1/4
C: 1
D: 1/2
答案: 【 -1/4

40、单选题:

‌Find

​选项:
A: 1/2
B: 1/3
C: 1/4
D: 1/5
答案: 【 1/3

41、单选题:

​Find

‏选项:
A: 0
B: 1
C: 2
D: 3
答案: 【 0

42、单选题:

‏Find

‎选项:
A: 0
B: 1
C:
D:
答案: 【 

43、填空题:

​Find the limit of  

‍答案: 【 0

44、填空题:

​Find the limit 

‏答案: 【 2x

45、填空题:

‏Find the limit of 

‍答案: 【 0

46、填空题:

‏Find the limit of 

​答案: 【 0

47、填空题:

Evaluate the limit(The answer should be decimals.)

‍答案: 【 0.5

48、填空题:

​Find the limit 

‏答案: 【 0

49、填空题:

​Find the limit

‎答案: 【 1

50、填空题:

‌Find the limit

‎答案: 【 2

3 Differentiation

Quiz for Chapter 3

1、单选题:

Find the derivative of the function below at x=0,

                                

‌选项:
A: 0
B: 1
C: It does not exist
D: -1
答案: 【 It does not exist

2、单选题:

Let

        

The tangent line to the graph of g(x) at (0,0) is (  ).


‍选项:
A: x-axis
B: y-axis
C: y=x
D: no tangent line
答案: 【 x-axis

3、单选题:

‍Let   ,Then 

‍选项:
A: 18(x+1)
B: 18x(x+1)
C: 6x(x+1)
D: 6(x+1)
答案: 【 18x(x+1)

4、单选题:

 The derivative of 

        

is(  )


‏选项:
A:
B:
C:
D:
答案: 【 

5、单选题:

Find the derivative of the function

       

It is (  )


‎选项:
A:
B:
C:
D:
答案: 【 

6、单选题:

‎Find y' , if

​选项:
A:
B:
C:
D:
答案: 【 

7、单选题:

Find the tangent to the folium of descartes 

      

at the point (3,3)


​选项:
A: 2x+y=9
B: 2x-y=9
C:  x-y=6
D: x+y=6
答案: 【 x+y=6

8、单选题:

 The linearization of the function

        

at x=1 is ( ).


‍选项:
A:
B:
C:
D:
答案: 【 

9、单选题:

Calculate  

     

The limit is (   )


‌选项:
A: 0
B: -1
C:
D: 1
答案: 【 1

10、单选题:

If

then .

‍选项:
A:
B:
C:
D:
答案: 【 

11、单选题:

‍Find the derivative of function

‍选项:
A:
B:
C:
D:
答案: 【 

12、单选题:

​Find the derivative of the function

‎选项:
A:
B:
C:
D:
答案: 【 

13、单选题:

 If gas in a cylinder is maintained at a constant temperature T, the pressure P is related to the volume V by a formula of the form in which a, b, n, and R are constants. Then 

‏选项:
A:
B:
C:
D:
答案: 【 

14、单选题:

Find the critical numbers of the function. The critical number(s) is(are) (   )


​选项:
A: 0
B: 2
C: 0 and 2
D: 0 and 1
答案: 【 0 and 2

15、单选题:

If a and b are positive numbers, the maximum value of is 

‏选项:
A:
B:
C:
D:
答案: 【 

16、单选题:

The function  has  (   )

‏选项:
A: A. neither a local maximum nor a local minimum
B: B. a local maximum
C: C. a local minimum
D: D. a local maximum and a local minimum
答案: 【 A. neither a local maximum nor a local minimum

17、单选题:

The derivative of the function 

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