a. Because logarithm is defined as an inverse of exponential, you can do this (it has a base of 3, and that's equivalent to saying the thing on your homework):
[tex]3^y=x[/tex]
c. Same thing:
[tex]3^y = x+1[/tex]
or:
[tex]3^y-1=x[/tex]
e. Subtract 2 from both sides:
[tex]3^{y-2} = x[/tex]
g. Subtract 2:
[tex]3^{y-2} = x-1[/tex]
or:
[tex]3^{y-2}+1=x[/tex]
i. Add 1, and subtract two:
[tex]3^{y+1} -2 = x [/tex]
Those are all your answers.
