Understanding the Concept of Inverse Functions
Let us consider the functions
and
.
The table on the left shows the ordered pairs . We used
and substitute them to
in the second table.
As we can see, all the values of are the same as those of
in the first table. For example, if we have
in the first table, applying
, we get 27 as output. On the other hand, if we apply
to 27, the value returns to
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