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Bingo: Domain and range

Cut out the cards. The caller reads a question; if your card has the answer, cover it. Four in a row wins.

BINGO

21-15x ≠ −3-3x ≠ 3-2x > 4x ≤ −5x > −5x ≤ −40-4x ≠ 6x ≥ 6

BINGO

-45-1x ≠ 1x ≥ −8-2x ≤ 6x > 7x > 4x ≤ −4x ≠ −5x > 1x ≤ 4x ≠ 61x ≤ 5

BINGO

1x ≠ −3-3x ≥ −8x ≠ 6x ≤ −52x ≤ 5x ≤ 6x ≠ 3x ≤ 4x > 4x ≠ 1x > −5x ≤ −40

BINGO

-22x > 4x ≠ 1x ≤ 6-1x ≠ −5x ≤ −5x ≠ 6x ≥ 6x ≥ −80x > 75x ≠ 3x > 1

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Caller's list: Domain and range

Read the questions in any order. Tick each one as you call it.

  1. ☐ What is the smallest x in the domain of f(x) = √(4x + 8)? (-2)
  2. ☐ What is the smallest x in the domain of f(x) = √(3x − 6)? (2)
  3. ☐ What is the domain of f(x) = 1/√(x + 5) (real numbers only)? (x > −5)
  4. ☐ What is the smallest x in the domain of f(x) = √(4x + 4)? (-1)
  5. ☐ What is the smallest x in the domain of f(x) = √(3x − 3)? (1)
  6. ☐ What is the domain of f(x) = √(4 − x) (real numbers only)? (x ≤ 4)
  7. ☐ What is the domain of f(x) = √(6 − x) (real numbers only)? (x ≤ 6)
  8. ☐ What is the domain of f(x) = √(x + 8) (real numbers only)? (x ≥ −8)
  9. ☐ What is the domain of f(x) = 1/√(x − 1) (real numbers only)? (x > 1)
  10. ☐ What is the smallest x in the domain of f(x) = √(5x)? (0)
  11. ☐ What is the domain of f(x) = √(−5 − x) (real numbers only)? (x ≤ −5)
  12. ☐ What is the domain of f(x) = √(5 − x) (real numbers only)? (x ≤ 5)
  13. ☐ What is the smallest x in the domain of f(x) = √(2x + 8)? (-4)
  14. ☐ What is the domain of f(x) = 1/(x + 3) (real numbers only)? (x ≠ −3)
  15. ☐ What is the domain of f(x) = 1/(x − 6) (real numbers only)? (x ≠ 6)
  16. ☐ What is the domain of f(x) = 1/√(x − 4) (real numbers only)? (x > 4)
  17. ☐ What is the domain of f(x) = √(−4 − x) (real numbers only)? (x ≤ −4)
  18. ☐ What is the domain of f(x) = √(x − 6) (real numbers only)? (x ≥ 6)
  19. ☐ What is the domain of f(x) = 1/(x − 1) (real numbers only)? (x ≠ 1)
  20. ☐ What is the domain of f(x) = 1/(x + 5) (real numbers only)? (x ≠ −5)
  21. ☐ What is the domain of f(x) = 1/(x − 3) (real numbers only)? (x ≠ 3)
  22. ☐ What is the domain of f(x) = 1/√(x − 7) (real numbers only)? (x > 7)
  23. ☐ What is the smallest x in the domain of f(x) = √(2x + 6)? (-3)
  24. ☐ What is the smallest x in the domain of f(x) = √(2x − 10)? (5)

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