Evaluate ƒ(x) when x = 9
no solution
110
12
56

The value of f(x) when x = 9 is 12.

Step-by-step explanation:

Here, the given function,

Thus, for the values greater than -6 and less than 9 the function would be,

While, for the values greater than equal to 9 and less than 13,

The function would be,

Hence, it is clear that the value of f(x) when x = 9 is 12.

i belive those are the ones that are under 90 degreese.