Given:
The function is:

To find:
The missing value for the given table of values.
Solution:
We have,

Substituting
in the given function, we get



Substituting
in the given function, we get



Substituting
in the given function, we get



Substituting
in the given function, we get



Therefore, the complete table of values is:
x y
1 9
3 21
6 39
8 51