Question

How to find supremum and infimum of a function?

Answer 1

Supremum of a function means the Lowest no. in the function is said to be supremum of a function.


$thats \: why \: \\ supremum \: is \: also \\ known \: as \: least \: upper \: bound \: (lub)$


Infimum of a function means the greatest no. in the function is said to be infimum of a function.


$thats \: why \: \\ infimum \: is \: also \\ called \: as \: (gub) \: that \: means \: greatest \: upper \: bound$


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