CAN SOMEONE PLEASE HELP ME WITH THESE PEOPLE

Inverse of [tex]f(x)=x+2[/tex] is [tex]f^{-1}(x)=x-2[/tex] because
[tex]
f(x)=x+2\Rightarrow x=f^{-1}(x)+2\Rightarrow\boxed{f^{-1}(x)=x-2}
[/tex]
Now [tex]f^{-1}(-5)=-5-2=\boxed{-7}[/tex].
Hope this helps.