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If 3a2 – 5ab – 2b2 is factored, one of the factors might be: (a) a + 2b (b) 3a – 2b (c) a – 2b (d) 3a – b AP® Precalculus Unit 1 Review Part 3: Understanding Rational Functions 1. Introduction to Functions; 1. To the nearest day, what is the half-life of this substance? 30. From Table 1 we can infer that for these two functions, exponential growth dwarfs linear growth. 2031. Designed to challenge and prepare you for the complexities of advanced mathematical concepts, these practice sets are To the nearest whole number, what will the pod population be after 3 years? 2. to Videos, examples, solutions, activities and worksheets for studying, practice and review of precalculus, Lines and Planes, Functions and Transformation of Graphs, Polynomials, Rational Functions, Limits of a Function, Complex Numbers, Exponential Functions, Logarithmic Functions, Conic Sections, Matrices, Sequences and Series, Probability and Combinatorics, Advanced pg. 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