Answer:
a. 
b. 
c. 
d. 
Step-by-step explanation:
Here is the procediment for each case.
a.
as we know
then
finding the expresion of x, we find the inverse of the function, then:

Then:

b.
for this we have to remember that the inverse function of the log is the exp, then:

Then the inverse function is:

c. In this case we have to also remember the relation between the e and the ln, then:
with the properties of the ln we have:
now finding the inverse function we have:

then:

d. in the last one we have:
then:

then:
