how would i evaluate f^-1(8)?

Question

lgbasallote · Answer

lol :)) good question

anonymous · Answer

attachment

anonymous · Answer

anyone know how to get c as well?

unklerhaukus · Answer

you would have to find$$f^{-1}(x)$$ first

anonymous · Answer

I may not be able to help with your question, but did you know that if you hold down the ALT key while pressing the PrintScreen button, it will place only the active window in the clipboard?

anonymous · Answer

I'm on a mac haha

anonymous · Answer

then how would we find f^-1(x)?

unklerhaukus · Answer

shift apple three  takes a screen shot
shift apple four lets you crop the shot

anonymous · Answer

i won't bother for the time being

anonymous · Answer

but thanks for the mac tip haha

anonymous · Answer

yea.  funny.  it works on linux.

anonymous · Answer

anyways, anyone know how to solve?

unklerhaukus · Answer

$$f(x)=y$$
$$x=f^{-1}(y)$$

anonymous · Answer

so in terms of the graph, the answer is 10?

anonymous · Answer

that's seem to be what the answer would be.

anonymous · Answer

gracias. ty.

unklerhaukus · Answer

i get six how did you get 10?

anonymous · Answer

well, how did you get 6?

anonymous · Answer

ah, I see Unkle's point.  find the value of x when f(x) = 8.

anonymous · Answer

so i just need to look at the y value basically.... to find the value of x

unklerhaukus · Answer

yeah  i should not have written $$f^{-1}(x)$$
it is a function of y$$f^{-1}(y)$$