# Algebra 2B Logs/Exponentials: Question Preview (ID: 23742)

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Evaluate: log 100 |
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a) 1 | b) 10 | c) 2 | d) 3 | |

Evaluate: e^4.5 |
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a) 90.017 | b) 4.5 | c) e | d) 1.504 | |

Describe the transformation: f(x) = log (x + 4) |
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a) up 4 | b) down 4 | c) right 4 | d) left 4 | |

Describe the transformation: f(x) = -2^x |
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a) Reflects over y-axis | b) Reflects over x-axis | c) down 1 | d) left 1 | |

describe the transformation: f(x) = logx - 5 |
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a) down 5 | b) up 5 | c) left 5 | d) right 5 | |

Use change of base: log (base 3) 14 |
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a) 1.146 | b) 0.477 | c) 2.402 | d) 0.416 | |

What is the base of log x? |
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a) 1 | b) 10 | c) e | d) 0 | |

What is the base of ln x? |
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a) 0 | b) 1 | c) e | d) 10 | |

Use properties to write as a single log: log 3 + log x |
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a) log 3x | b) log (3/x) | c) log 3 + x | d) log 3 - x | |

Use properties to write as a single log: log 20 - log 4 |
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a) log 80 | b) log 16 | c) log 5 | d) log 24 | |

Solve: log 2x = log 18 |
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a) x = 18 | b) x = 2 | c) x = log18 | d) x = 9 | |

Solve: 2^x = 2^ 15 |
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a) x = 2 | b) x = 7.5 | c) x = 15 | d) x = 13 | |

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