Topic

Rational Functions

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Quizzes in Rational Functions

对于 f(x)=log(x – 1) + 1/(x + 5),必须满足哪些条件?请选择所有正确选项。

  • x ≥ 1
  • x = 1
  • x < 1
  • x ≠ -5
  • x = -5
  • x > 1
Correct answer(s):
    • x ≠ -5
    • x > 1


对于 f(x)=log(x – 8) + 1/(x + 3),必须满足哪些条件?请选择所有正确选项。

  • x < 8
  • x > 8
  • x = -3
  • x = 8
  • x ≥ 8
  • x ≠ -3
Correct answer(s):
    • x > 8
    • x ≠ -3

对于 f(x)=log(x – 8) + 1/(x + 5),必须满足哪些条件?请选择所有正确选项。

  • x > 8
  • x = -5
  • x < 8
  • x ≥ 8
  • x = 8
  • x ≠ -5
Correct answer(s):
    • x > 8
    • x ≠ -5

对于 f(x)=log(x – 8) + 1/(x + 8),必须满足哪些条件?请选择所有正确选项。

  • x ≥ 8
  • x = 8
  • x > 8
  • x = -8
  • x ≠ -8
  • x < 8
Correct answer(s):
    • x > 8
    • x ≠ -8

对于 f(x)=log(x – 7) + 1/(x + 7),必须满足哪些条件?请选择所有正确选项。

  • x = -7
  • x ≥ 7
  • x ≠ -7
  • x > 7
  • x = 7
  • x < 7
Correct answer(s):
    • x ≠ -7
    • x > 7

对于 f(x)=log(x – 1) + 1/(x + 1),必须满足哪些条件?请选择所有正确选项。

  • x > 1
  • x = 1
  • x = -1
  • x ≥ 1
  • x ≠ -1
  • x < 1
Correct answer(s):
    • x > 1
    • x ≠ -1

对于 f(x)=log(x – 5) + 1/(x + 4),必须满足哪些条件?请选择所有正确选项。

  • x > 5
  • x < 5
  • x ≠ -4
  • x ≥ 5
  • x = 5
  • x = -4
Correct answer(s):
    • x > 5
    • x ≠ -4

对于 f(x)=log(x – 7) + 1/(x + 8),必须满足哪些条件?请选择所有正确选项。

  • x < 7
  • x = 7
  • x = -8
  • x > 7
  • x ≥ 7
  • x ≠ -8
Correct answer(s):
    • x > 7
    • x ≠ -8

对于 f(x)=log(x – 8) + 1/(x + 8),必须满足哪些条件?请选择所有正确选项。

  • x ≠ -8
  • x ≥ 8
  • x < 8
  • x = -8
  • x > 8
  • x = 8
Correct answer(s):
    • x ≠ -8
    • x > 8


对于 f(x)=log(x – 7) + 1/(x + 3),必须满足哪些条件?请选择所有正确选项。

  • x ≥ 7
  • x ≠ -3
  • x = -3
  • x = 7
  • x > 7
  • x < 7
Correct answer(s):
    • x ≠ -3
    • x > 7

对于 f(x)=log(x – 1) + 1/(x + 8),必须满足哪些条件?请选择所有正确选项。

  • x ≥ 1
  • x < 1
  • x ≠ -8
  • x = 1
  • x > 1
  • x = -8
Correct answer(s):
    • x ≠ -8
    • x > 1

对于 f(x)=log(x – 8) + 1/(x + 1),必须满足哪些条件?请选择所有正确选项。

  • x = -1
  • x ≠ -1
  • x = 8
  • x < 8
  • x ≥ 8
  • x > 8
Correct answer(s):
    • x ≠ -1
    • x > 8

对于 f(x)=log(x – 2) + 1/(x + 3),必须满足哪些条件?请选择所有正确选项。

  • x ≥ 2
  • x < 2
  • x = -3
  • x > 2
  • x = 2
  • x ≠ -3
Correct answer(s):
    • x > 2
    • x ≠ -3

对于 f(x)=log(x – 6) + 1/(x + 4),必须满足哪些条件?请选择所有正确选项。

  • x ≥ 6
  • x < 6
  • x = -4
  • x ≠ -4
  • x > 6
  • x = 6
Correct answer(s):
    • x ≠ -4
    • x > 6

对于 f(x)=log(x – 4) + 1/(x + 6),必须满足哪些条件?请选择所有正确选项。

  • x = 4
  • x ≠ -6
  • x < 4
  • x = -6
  • x ≥ 4
  • x > 4
Correct answer(s):
    • x ≠ -6
    • x > 4

对于 f(x)=log(x – 1) + 1/(x + 8),必须满足哪些条件?请选择所有正确选项。

  • x > 1
  • x < 1
  • x = -8
  • x ≥ 1
  • x = 1
  • x ≠ -8
Correct answer(s):
    • x > 1
    • x ≠ -8

对于 f(x)=log(x – 1) + 1/(x + 8),必须满足哪些条件?请选择所有正确选项。

  • x > 1
  • x = -8
  • x ≠ -8
  • x = 1
  • x ≥ 1
  • x < 1
Correct answer(s):
    • x > 1
    • x ≠ -8

对于 f(x)=log(x – 8) + 1/(x + 3),必须满足哪些条件?请选择所有正确选项。

  • x = 8
  • x < 8
  • x > 8
  • x = -3
  • x ≥ 8
  • x ≠ -3
Correct answer(s):
    • x > 8
    • x ≠ -3


对于 f(x)=log(x – 5) + 1/(x + 4),必须满足哪些条件?请选择所有正确选项。

  • x > 5
  • x ≠ -4
  • x = -4
  • x = 5
  • x ≥ 5
  • x < 5
Correct answer(s):
    • x > 5
    • x ≠ -4

对于 f(x)=log(x – 3) + 1/(x + 5),必须满足哪些条件?请选择所有正确选项。

  • x = -5
  • x = 3
  • x ≠ -5
  • x ≥ 3
  • x < 3
  • x > 3
Correct answer(s):
    • x ≠ -5
    • x > 3