Question

inverse of the function f(x)=3x+9?
would this be : f(x)=x-9/3 ?

Answer 1

do you mean

\[\Large x - \frac{9}{3}\]

OR

\[\Large \frac{x-9}{3}\]

??

Answer 2

the second one

Answer 3

you have the correct inverse function, you would write it like this

\[\Large f^{-1}(x) = \frac{x-9}{3}\]

Answer 4

thank you

Answer 5

you're welcome