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Ohio Algebra I functions quiz quiz

12questions. Pick an answer and you'll see why right away.

  1. If f(x)=3x−2f(x) = 3x - 2, what is f(4)f(4)?

  2. For f(x)=2x+1f(x) = 2x + 1, solve f(x)=9f(x) = 9.

  3. Which relation is a function?

  4. An upward parabola has vertex (3,−2)(3, -2). On which interval is it increasing?

  5. A function has f(2)=6f(2) = 6 and f(6)=22f(6) = 22. What is the average rate of change over [2,6][2, 6]?

  6. A line passes through (0,4)(0, 4) and (2,10)(2, 10). Which function rule fits?

  7. A tank holds 60 liters and drains 5 liters per minute. Which function gives the volume after tt minutes?

  8. Find the 6th term of the arithmetic sequence 4,9,14,…4, 9, 14, \ldots.

  9. Which sequence is geometric?

  10. An investment of 500grows6500 grows 6% per year. Which function gives its value after t$ years?

  11. A phone worth $800 loses 20% of its value each year. Which function models its value?

  12. A table shows outputs 4,12,36,1084, 12, 36, 108 for inputs 0,1,2,30, 1, 2, 3. Which model fits?