Question

WHO WANTS TO HELP ME WITH MATH??

Answer 1

`f^-1 (x) = -3-x`

Explanation:

`f(x) = -x-3\\f(x) = y\\y = -x-3`

Now we have to change the "x" into "y" and viceversa

`x = -y-3\\`

Then,

`x+3=-y\\x+y = -3\\y = -3 - x\\f^-1 (x) = -3-x`