Please help it’s for my test I’ll give points to who ever is correct and gives an honest answer

Answer:
A
Step-by-step explanation:
(f-g) = f(x) - g(x)
([tex]4^{x-1}[/tex] + 6) - (2x - 5)
[tex]4^{x-1}[/tex] + 6 + 2x + 5
[tex]4^{x-1}[/tex] + 2x + 11