Topic

Functions

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Quizzes in Functions

For f(x)=log(x – 6) + 1/(x + 4), which conditions must be satisfied? Select all correct options.

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


For f(x)=log(x – 4) + 1/(x + 6), which conditions must be satisfied? Select all correct options.

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

For f(x)=log(x – 1) + 1/(x + 8), which conditions must be satisfied? Select all correct options.

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

For f(x)=log(x – 1) + 1/(x + 8), which conditions must be satisfied? Select all correct options.

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

For f(x)=log(x – 8) + 1/(x + 3), which conditions must be satisfied? Select all correct options.

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

For f(x)=log(x – 5) + 1/(x + 4), which conditions must be satisfied? Select all correct options.

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

For f(x)=log(x – 3) + 1/(x + 5), which conditions must be satisfied? Select all correct options.

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

Let f(x)=2x+8. Which expression represents f^(-1)(x)?

  • 2/(x – (8))
  • (x + (8))/2
  • (x – (8))/2
  • (2x) – (8)
Correct answer(s):
    • (x - (8))/2


Let f(x)=3x+8. Which expression represents f^(-1)(x)?

  • (x – (8))/3
  • 3/(x – (8))
  • (3x) – (8)
  • (x + (8))/3
Correct answer(s):
    • (x - (8))/3

Let f(x)=3x+3. Which expression represents f^(-1)(x)?

  • (3x) – (3)
  • (x + (3))/3
  • 3/(x – (3))
  • (x – (3))/3
Correct answer(s):
    • (x - (3))/3

Let f(x)=-3x+-2. Which expression represents f^(-1)(x)?

  • (x + (-2))/-3
  • (x – (-2))/-3
  • -3/(x – (-2))
  • (-3x) – (-2)
Correct answer(s):
    • (x - (-2))/-3

Let f(x)=2x+6. Which expression represents f^(-1)(x)?

  • (x – (6))/2
  • 2/(x – (6))
  • (2x) – (6)
  • (x + (6))/2
Correct answer(s):
    • (x - (6))/2


Let f(x)=4x+1. Which expression represents f^(-1)(x)?

  • 4/(x – (1))
  • (4x) – (1)
  • (x – (1))/4
  • (x + (1))/4
Correct answer(s):
    • (x - (1))/4

Let f(x)=4x+-7. Which expression represents f^(-1)(x)?

  • (x + (-7))/4
  • (4x) – (-7)
  • 4/(x – (-7))
  • (x – (-7))/4
Correct answer(s):
    • (x - (-7))/4