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2021 Spring S10 Final Review

  •  English    25     Public
    Logarithm
  •   Study   Slideshow
  • What is the inverse function of f(x) = a^x
    f^(-1)(x) = loga(x)
  •  10
  • What is
    -1/2
  •  15
  • What is
    2/5
  •  15
  • What is
    14
  •  15
  • What is lg(A^n)?
    n* lg(A)
  •  5
  • What is
    lg(8)
  •  15
  • What is
    3/2
  •  15
  • What is
    -2
  •  20
  • What is
    M=(a^3/32)
  •  15
  • Write in terms of ln(a): -ln(2)
    ln(1/2)
  •  15
  • Write without logarithms:
    M=e^(3a)/2
  •  15
  • The area affected by the insects is given by A = 1000 * 2^(0.7n) hectares, where n is the number of weeks after the initial observation. How long will it take for the affected area to reach 5000 hectares?
    3.3 weeks
  •  25
  • Using change of base rule, what is logb(a)
    logc(a)/logc(b)
  •  10
  • Solve for x
    x = sqrt(13)
  •  20
  • Solve for x
    x = 5; -20
  •  25
  • Which ones have an inverse (one-to-one)?
    a, b, c, f
  •  10