Answer:
Inverse function is 2x-14
Step-by-step explanation:
[tex]f(x) = \frac{1}{2} x + 7[/tex]
[tex]y = \frac{1}{2} x + 7[/tex]
[tex]x = \frac{1}{2} y + 7[/tex]
[tex]x - 7 = \frac{1}{2} y[/tex]
[tex]2(x - ) = y[/tex]
[tex]2x - 14 = y[/tex]