Does a function have a minimum or maximum?

Related questions

1. How do you find the maximum or minimum value of a function?
2. Can there be two absolute minimums?
3. Is a global maximum also a local maximum?
4. What is a local extremum?
5. Can a local minimum be an absolute minimum?
6. How do I install wxMaxima on Windows?

Tags

1. #entire
2. #absolute
3. #maximum
4. #minimum
5. #called
6. #function
7. #global
8. #there
9. #local