The maximum value of f(x) is 8
Explanation:
The maximum value of the function is the biggest value in the data.
The maximum value of f(x) can be determined by finding the biggest value in the function.
From the values,
-7,0,5,8,8,5,0,-7
The biggest value is 8.
Thus, the maximum value of the function f(x) is 8.
