This paper presents a certain method to determine the range of variability ( or the set of values) of some functionals defined in the Class (i.e the class of analytic functions in the unit disk
It have been shown in this class that the range of variability of the functional is the closed disk
The estimations of modulus of function and some other estimations related were also obtaind
This paper presents a certain method to determine the range of varibility
of linear functionals defined in the Caratheodory Class i.e the class of
analytic functions in the unit disk ( z < 1 ) with a positive real part and
f(0)=1.