Eazyquizes

# College Algebra 12th Edition R David Gustafson Jeff Hughes- Test Bank

\$25.00

Category:

## Description

College Algebra 12th Edition R David Gustafson Jeff Hughes- Test Bank

Sample Questions

2_1___Functions_and_Function_Notation

1. Indicate whether the equation determines y to be a function of x.

 a. yes b. no

 ANSWER: a POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

2. Let the function  be defined by the equation , where x and  are real numbers. Find the domain and range of the function .

 a. ​domain: , range: b. ​domain: , range: c. domain: , range: d. ​domain: , range: e. ​domain: , range:

 ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

3. Let the function  be defined by the equation , where x and  are real numbers. Find the range of the function .

 a. ​range: b. ​range: c. range: d. ​range: e. ​

 ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

4. Let the function  be defined by the equation , where x and  are real numbers. Find the domain of the function .

 a. domain: b. domain: c. domain: d. domain: e. domain:

 ANSWER: e POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

5. Let the function  be defined by , where x and  are real numbers. Find .

 a. ​ b. ​ c. ​ d. ​ e.

 ANSWER: e POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

6. Let the function  be defined by , where x and  are real numbers. Find .

 a. b. ​ c. d. ​ e. ​

 ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

7. Let the function  be defined by , where x and  are real numbers. Find .

 a. ​ b. ​ c. ​ d. ​ e.

 ANSWER: e POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

8. Let the function  be defined by , where x and  are real numbers. Find .

 a. ​ b. ​ c. ​ d. e. ​

 ANSWER: d POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

9. Evaluate the difference quotient for the function.

 a. b. ​ c. 6 d. e. 3

 ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

10. Evaluate the difference quotient for the function.

 a. 3 b. 1 c. 6 d. e.

 ANSWER: e POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

11. Find the graph of the equation.

 a. ​ b. ​ c. ​ d. ​

 ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

12. Find the graph of the equation.

 a. ​ b. ​ c. d. ​

 ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

13. Find the graph of the equation.

 a. ​ b. ​ c. ​ d.

 ANSWER: d POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

14. Find the graph of the equation.

 a. ​ b. ​ c. ​ d. ​

 ANSWER: a POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

15. Find the domain of the function.

 a. ​ b. ​ c. ​ d. ​ e.

 ANSWER: e POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

16. Give the range of the function.

 a. b. ​ c. ​ d. ​ e. ​

 ANSWER: e POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

17. Give the domain of the function.

 a. ​ b. ​ c. ​ d. ​ e.

 ANSWER: e POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

18. The velocity of a falling object is a linear function of the time t it has been falling. If  when  and  when , express v as a function of t.

 a. ​ b. ​ c. ​ d. e. ​

 ANSWER: d POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

19. The amount A of money on deposit for t years in an account earning simple interest is a linear function of t. Express that function as an equation if  when  and  when .

 a. b. ​ c. ​ d. ​ e.

 ANSWER: e POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

20. If a is a real number, find the domain of the function .

 a. ​ b. ​ c. ​ d. e. ​

 ANSWER: d POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

21. Select each graph that represents y as a function of x.

 a. ​ b. c. ​ d. ​ e. ​

 ANSWER: b, c POINTS: 1 QUESTION TYPE: Multiple Response HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

22. Let the function  be defined by , where x and  are real numbers. Find .

 ANSWER: 2 POINTS: 1 QUESTION TYPE: Numeric Response HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

23. Let the function  be defined by , where x and  are real numbers. Find .

 ANSWER: 9 POINTS: 1 QUESTION TYPE: Numeric Response HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

24. Evaluate the difference quotient for the function.

 ANSWER: 7 POINTS: 1 QUESTION TYPE: Numeric Response HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

25. Let the function  be defined by , where x and  are real numbers. Find .

 ANSWER: –1,249 POINTS: 1 QUESTION TYPE: Numeric Response HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

26. Let the function  be defined by the equation , where x and  are real numbers. Find the domain of the function .

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

27. Let the function  be defined by the equation , where x and  are real numbers. Find the range of the function .

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

28. Let the function  be defined by the equation , where x and  are real numbers. Find the domain of the function .

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

29. Let the function  be defined by , where x and  are real numbers. Find .

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

30. Evaluate the difference quotient for the function.

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

31. Give the domain of the function.

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

32. Give the range of the function.

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

33. Give the domain of the function.

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

34. The velocity of a falling object is a linear function of the time t it has been falling. If  when  and  when , express v as a function of t.

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

35. The amount A of money on deposit for t years in an account earning simple interest is a linear function of t. Express that function as an equation if  when  and  when .

 ANSWER: POINTS: 1 QUESTION TYPE: Subjective Short Answer HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

Indicate whether the equation determines y to be a function of x. Match each equation with the corresponding answer.

Choose the correct letter for each question.

 a. b.

 QUESTION TYPE: Matching HAS VARIABLES: False DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

36. no

 ANSWER: b POINTS: 1

37. yes

 ANSWER: a POINTS: 1

Does the graph represent a function?  Match the graph with the corresponding answer.

Choose the correct letter for each question.

 a. ​ b. ​

 QUESTION TYPE: Matching HAS VARIABLES: True DATE CREATED: 12/28/2015 5:00 AM DATE MODIFIED: 12/28/2015 5:00 AM

38. yes

 ANSWER: b POINTS: 1

39. no

 ANSWER: a POINTS: 1

## Reviews

There are no reviews yet.