Minggu, 08 Agustus 2010

LIMIT

in math course we also study the limit. such limits fungsi.limit function can be interpreted as follows: function f (x) is said to close the price limit L as x approaches a if for arbitrarily small positive number epsilon there is a small positive number delta, so that holds: | f (x)-L |< E for | x-a |<&
;example:
 note: f (x) = 4x-1 
prove the limit f (x) = 11
                    
x -> 3
answers:

|f (x)-L |<&
|(4x-1)-11|<&

|4x-12|<&

4|x-3|<&

|x-3|<&

so E / 4=&

It is one example of the limits of functions.