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Graphing and Evaluating Equations and Functions: Business Math Lesson Plans 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. The graph of y = (1 + x)^2 will lie in which quadrants?

Question 2 2.

Which of the following equations represent(s) a line that goes through the points (2,3) and (1,1)?

I) y = 2(x - 2) + 3

II) y = 2x - 1

III) y = 2(x - 1) + 1

Question 3 3. How do you indicate an 'or equal to' inequality on a graph for a 2-variable inequality?

Question 4 4. How would you express a line with a zero slope?

Question 5 5. Which of the following is a point on the function y = 3x - 2?

Page 2

Question 6 6. What type of discontinuity is in the graph of f(x) = x/((x+1)(x-3))?

Question 7 7. What is the domain of the function below?

Question 8 8. What is g(f(4)) if g(x) = x+1 and f(x) = √(x)?

Question 9 9. What type of discontinuity is in the graph of f(x) = 1/(x+2)?

Question 10 10. Which of the following graphs represents x = -3?

Page 3

Question 11 11. Find the distance between the two points (-4, -2) and (-4, 3).

Question 12 12. What type of discontinuity is in the graph of f(x) = {2 for x < 0; x+2 for x >= 0}?

Question 13 13. What is the range of the function: g(x) = |x| + 1

Question 14 14. Find the midpoint of the line segment with endpoints (6,-2) and (6,4).

Question 15 15.

What is the slope of the line represented by the following formula?

y = 2 + 6(x - 3)

Page 4

Question 16 16. The graph of y = x - 2 will pass through which quadrants?

Question 17 17. The graph of y - x + 10 = - (8 + x) is a _____

Question 18 18. This graph corresponds to which inequality?

Question 19 19. This graph corresponds to which inequality?

Question 20 20. Which of the following equations represents a line that passes through the point (0, 1) and has a slope of -4?

Page 5

Question 21 21. What is the point-slope form of the equation that goes through the origin and has a slope of 1.5?

Question 22 22. What is the range of f(g(x)) if f(x) = |x| and g(x) = cos(x)?

Question 23 23.

If f(x) = x^2 and g(x) = x + 1, what is f(g(x))?

Hint: For every x in f(x) put in g(x)

Question 24 24. The plot of x - y = 10 is the same as the plot of:

Question 25 25. Find the distance between the two points (4, 1) and (10, 9).

Page 6

Question 26 26. The slope for a horizontal line would be which one of the following?

Question 27 27. Find the midpoint of the line segment with endpoints (-3,-1) and (1,6).

Question 28 28. Which equation represents a line that goes through the points (0, 1) and (1, 0)?

Question 29 29. For which one of the following lines would the graph fall exactly on top of the x-axis?

Question 30 30. What type of discontinuity is in the graph of f(x) = {x for x<-1; x+1 for x>=-1}?

Graphing and Evaluating Equations and Functions: Business Math Lesson Plans 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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