Quiz 1: Chapter 1

15 Questions | Total Attempts: 570

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Quiz 1: Chapter 1

Reviewing concepts from Sections 1. 1-1. 4


Questions and Answers
  • 1. 
    Which of the following represents the domain of the function ?
    • A. 
    • B. 
    • C. 
    • D. 
    • E. 
  • 2. 
    Table A x 5 6 7 4 9 y -9 -5 -7 6 4 Table B x 4 7 3 15 8 y -4 -1 4 3 3 Usa Table B to find y = f(4).
    • A. 

      -4

    • B. 

      3

    • C. 

      9

    • D. 

      6

  • 3. 
    Does  describe y as a function of x?
    • A. 

      True

    • B. 

      False

  • 4. 
    Table A x 5 6 7 4 9 y 4 -5 -7 6 4 Table B x 4 7 3 15 8 y -4 -1 4 3 3 Does Table A describe x as function of y? 
    • A. 

      Yes

    • B. 

      No

  • 5. 
    One line passes through the points (-12, 16) and (-1, 38), and a second line has equation 2y + x = 23. Are the line parallel, perpendicular, or neither?
    • A. 

      Parallel

    • B. 

      Perpendicular

    • C. 

      Neither

  • 6. 
    Which of the following represents the domain of the function ?
    • A. 
    • B. 
    • C. 
    • D. 
    • E. 
  • 7. 
    Write the equation that passes through (5, -3) and is parallel to the line with equation 2x + y = -3.
  • 8. 
    For the function , compute the average rate of change between x = -1 and x = 2.
  • 9. 
    The average salary of a classroom teacher in the United States is given by f(t) = 982.06t + 32,903.77, where t is the number of years from 1990. What was the average salary in 2000?
  • 10. 
    The equation of the line that fits the data points in the table is f(a) = 0.017924A + 0.01. Use the equation to find f(28000).
  • 11. 
    A company has revenue given by R(x) =564x dollars and total cost given by C(x) = 40,000 + 64x dollars, where x is the number of units poroduced and sold. Write the profit function.
  • 12. 
    For the function , find .
  • 13. 
    A company has determined that its profit for product can be described by a linear function. The profit from the production and sale of 150 units is $455, and the profit from 250 units is $895. Write the equation of the profit function P(x) for this product.
  • 14. 
    Whice of the following equations is the point-slope form for a linear equation?
    • A. 

      Ax + by = c

    • B. 

      Y = mx + b

    • C. 
    • D. 

      Y = b

  • 15. 
    Which of the following graphs represents the function ?
    • A. 
    • B. 
    • C. 
    • D. 
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