Question

find the inverse function for
f(x)=-(x/3)+1?

Answer 1

set x to y and solve for y

so

y = -(x/3) + 1
becomes
x = -(y/3) + 1
now it becomes simple algebra

Answer 2

any questions?

Answer 3

all that is left is simple algebra, if you have a problem just write it out and I will show you were you went wrong