Answer:
its -0.4, are those rlly the options? if they are jus round up and do -1
Answer:
reeee :(
Step-by-step explanation:
My calculator says bad expression.
as you already know, we start off by doing a quick switcheroo on the variables, and then we solve for y to get the inverse,

and if you run a vertical line test on that expression, you'll find that it doesn't pass it, meaning is not a function.