In 26 and 27 find , and by the formaulas and for each .
Define and by the formulas for each .
To find , and explain how are related.
Let . Define by the arrow diagrams below.
A function is said to be one to one function if the element in domain must be mapped with distinct
Element in codomain.
A function is onto function if element in codomain is mapped with element in domain.
Defined by for all .
By definition of an inverse function, we have
Unique real number such that
By definition of an inverse function,
Unique real number , such that
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