Question 35444
f(x)=x+5

Let's do the 1st one; the rest have so many typo problems it is
impossible to tell what you mean.

y=x+5
Interchange the x and the y to get:
x=y+5
Now, solve for y, as follows:
y=x-5
That is the inverse of y=x+5
Cheers,
Stan H.
Please edit or repost the other problems.