BU111 Lecture Notes - Lecture 3: Function Composition, Product Rule, Investment
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BU111 Full Course Notes
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Skeleton notes (copyright dr. lawrence howe, revised: 2017/7/24 ) Instead of taking lecture time for students to copy down precise statements of de nitions and theorems, they are provided here, and may be useful as a compact reference for homework and tutorials. If the answer is 2 an answer of approximation is acceptable. Here are few reminders of terminology and formulas, with some expla- nations of ner points that students are often confused about. 8: an exponent 1/n means take the nth root of the base: 21/3 = This is the number whose third power is 2: the nth root of 0 is 0. For odd n, both positive and negative numbers have one and only one nth root. For even n, negative numbers do not have an nth root. For positive numbers, there are 2 possible roots, but the nth root is de ned to be the positive number whose nth power is the base.
