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- October 9th 2012, 10:51 AMEraser147Formula for f of g
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- October 9th 2012, 11:09 AMPlatoRe: Formula for f of g
- October 9th 2012, 11:31 AMEraser147Re: Formula for f of g
Yes, but going from there, I don't know how to find the x. It's just too confusing from there. I don't know which exponent I can factor out.

- October 9th 2012, 11:34 AMalane1994Re: Formula for f of g
Plato is correct. If you want f of g, you just plug the g function into the x spot on the f function.

then

Does this make sense?

If I am incorrect on this please correct me!:) - October 9th 2012, 11:40 AMPlatoRe: Formula for f of g
- October 9th 2012, 11:54 AMSorobanRe: Formula for f of g
Hello, Eraser147!

Quote:

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- October 9th 2012, 12:16 PMEraser147Re: Formula for f of g
^ Thankyou that made more sense. I had to separate the 7s.

- October 9th 2012, 12:43 PMEraser147Re: Formula for f of g
Just one more question, can someone explain why when 7 is extended to the power of log 7 and raised to the x^5, why does it cancel and equate to x^5?

- October 9th 2012, 01:00 PMPlatoRe: Formula for f of g
- October 9th 2012, 01:25 PMEraser147Re: Formula for f of g
Thanks

- October 9th 2012, 01:30 PMHallsofIvyRe: Formula for f of g
That is, pretty much, the

**definition**of " "- it is the inverse function to : .