ilorty

@geust, I'm not sure if you understand, but f^-1 means the inverse of the function, not f to the power of -1

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All you have to do is set them equal to each other and multiply, then simplify. Joliel3 explained it very clearly.

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I'm pretty sure that the question is copied properly, as I have seen it before....but yes, I agree that this one is a bit tricky! Congrats guest for solving it!

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Got it!

all you have to do is find this: y=[slope]x+[y-intercept]

(which is what gwen did )

:)

hey! is it just me, or is the latex in raw form? just wondering if it's a glitch!

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It's actually really easy to do it yourself. Try it.

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Just corrected my answer....check again!

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Sorry, the answer is 4! Sillly me, I need to learn how to count...