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Unit 8 of 10 · 3 skills

Exponential & Logarithmic Functions

Logarithms undo exponents: evaluate them, use their properties, and solve exponential equations.

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“…what is easiest and most useful in arithmetic, such as men constantly require in cases of inheritance, legacies, partition, lawsuits, and trade, and in all their dealings with one another.
Muhammad ibn Musa al-Khwarizmi · Persian mathematician, about 780 to 850. The word algebra comes from the title of his book.On what his book of algebra was for, about 820, in Frederic Rosen's 1831 translation