Correct option is (b) 12. The value of g(4) is 12.
The function g(x) is defined piecewise:
For

For

For

To find g(4), we refer to the second piece of the function because the input x = 4 falls within the range
. Substituting x = 4 into the second piece of the function gives us:
![\[g(4) = 0.5 * 4 + 10 = 2 + 10 = 12\]](https://img.qammunity.org/2021/formulas/mathematics/college/a8ikrvo6kbrtuo4yt1fo5cleg10ouyidmo.png)
Hence, g(4) = 12. This value corresponds to the output of the function when the input x is 4 within its defined range.