jtryon
Find the inverse function of f(x)=14 + root(3)(x).



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jtryon
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y = 14 + root(3)(x)
x = 14 + root(3)(x)

jtryon
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and then I would cube both sides?

myininaya
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did you mean to replace that one x with y?

jtryon
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Oh, yes. I have to find f^1(x)

myininaya
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right isolate the cuberoot(y) part first by subtracting that other number on both sides
then you can talk about cubing both sides

jtryon
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x14 = root(3)(y)

jtryon
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(x14)^3 = y

myininaya
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right

jtryon
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f^1(x) = (x14)^3

myininaya
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that is right that is the inverse function of f

jtryon
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thanks for the help

myininaya
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i didn't do anything
you did it all by yourself
congrats! :)