Answer:
12
Step-by-step explanation:
This is a piece-wise function.
They are defined differently at different x intervals as shown.
We want to find g(4), that means the value of the function at x = 4.
From the piece-wise function, we have to see which equation falls in the interval x = 4.
The first one doesn't since 4 is not included. The second line is the one, because this includes x = 4 interval.
So, we will use
0.5x + 10
to find the value of the function at x = 4.
So,
g(4) = 0.5(4) + 10 = 12
The value is 12
