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Understanding Function Basics Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Is y=2x+D-10 linear if given that D=4?

Question 2 2. Is the equation y=x^2 linear? Why, or why not?

Question 3 3. For the linear function h=2t-1, what is h when t=4?

Question 4 4. What is the minimum number of points needed to graph a linear function?

Question 5 5. A linear function must graph to a _____ line.

Page 2

Question 6 6. What is the range of the function represented by the graph below?

Question 7 7. The collection of all the outputs of a function is known as which one of the following?

Question 8 8. What is the range of the function: g(x) = |x| + 1

Question 9 9. Which one of these functions has a domain of all real numbers?

Question 10 10. What is the domain of the function below?

Page 3

Question 11 11. If the domain of the function f(x) = x^2 is 0 ≤ x, what is the range of f?

Question 12 12. What is the domain of √(x)?

Question 13 13. Evaluate h(x) = 5x + 1, when x=3.

Question 14 14. Evaluate f(x) = √(x), when x = 9.

Question 15 15. The amount of money you spend on coffees every month can be calculated as a function of the number of drinks you order every month. What are the independent and dependent variables in this function?

Page 4

Question 16 16. Given the function below, evaluate g(7).

Question 17 17. Which of the following is written in function notation?

Question 18 18. Which graph below is a function?

Question 19 19. Which of the following makes an equation a relation rather than a function?

Question 20 20. Which set of ordered pairs is NOT a function?

Page 5

Question 21 21.

Which of the following is a linear function?

A. y = 5x

B. y = 3 - x

C. y = 4 + 0.5x

Question 22 22. The graph of a linear function is…

Question 23 23. Describe the slope of a nonlinear function.

Question 24 24. All nonlinear functions can be written in the form…

Question 25 25.

How can you tell whether a function is a linear function?

A. Graph it and check to see if the graph is a straight line.

B. Check to see if it fits the pattern y = a + bx.

C. Look at the slope and make sure it's always changing.

Understanding Function Basics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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