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, onetoone and onto functions,
inverse functions, logarithmic and exponential functions,
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 Spring '08
 WOUTERS
 Math, Algebra, Exponentiation, Georg Cantor, Cardinal number

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