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handouts4_functions

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Functions Mariusz Bajger COMP2781/8781 School of Computer Science, Engineering and Mathematics May 6, 2011 1 / 5 Reading and Exercises Reading Epp, Chapter 7 Exercises Sec. 7.1, 7.2 and 7.3 (use as you need; you are supposed to know this material from MATH1121 or elsewhere), here we focus on Section 7.4 (all in blue exercises are recommended) Good learning strategy: BE ACTIVE! I Regularly revise lectures I Solve the suggested exercises I Be critical when reading textbook/lectures I Ask your colleagues, ask the lecturer, don’t be shy! I It is OK to ask for help any time 2 / 5 General concepts - revision I It is expected that you know basic properties of functions from MATH1121 including graphs of elementary functions like log , exp and polynomials. I Chapter 1 (Epp) gives a gentle introduction to functions, more is covered in Chapter 7.1 and 7.2 - read as much as you need. I Ensure that you understand the definition of function, equality of functions, one-to-one and onto functions, inverse functions, logarithmic and exponential functions,

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