Consider the function:
Actually, this record means the following chain of functional transformations:
= sin u
–> y = v
that can be written by symbols of functional dependences in a general view as:
= f1 ( x )
= f2 ( u )
y = f3
( v ) ,
or more shortly:
We have here not the one rule of correspondence to transform x into y , but
three consecutive rules (functions), using which we receive y from x. In this case we say that
y is a composite function of x.
E x a m p l e . The following functions are composite ones:
Write, please, the two rest functions like this.