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Warm up Problems 1. 2. At higher elevations, water takes longer to boil. Let f (h) be the boiling point, in ºC, at altitude h meters above sea level. Using correct units, explain the meaning of

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Logarithms Laws of Logarithms

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Ex. Express as a single logarithm

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Pract. Simplify

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Ex. Solve

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Ex. The half-life of a substance is 12 days. If there are 10.32g initially, write an equation that represents the amount, A, of the substance after t days. When will there be 1g left?

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Note: Logarithmic functions are always dominated by increasing power functions.

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n to the n FEPLL n Factorial Exponent Polynomial Linear Logarithm grows faster grows slower

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Ex. Define a) Is g increasing or decreasing? b) Explain why g is invertible and find g -1.

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