Find the value of the variable.
2 answers:
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Given:
A certain function h(x) contains the point (8,-2).
To find:
The value of .
Solution:
If a function is defined as
Then, its inverse is defined as
It is given that, a certain function h(x) contains the point (8,-2). It means, its inverse contains the point (-2,8). So, the value of inverse function is 8 at x=-2, i.e.,
Therefore, the value of is 8.