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50^x

i saw that on yahoo answers but i dont think my teacher would like the trial and error part

and for the first one there's the equal bases part

I used the change of base formula to get the approximate decimal form

so would i write x=log50(17)

0.724

I'm getting 0.724 as well

so that means \[\LARGE 50^{0.724} \approx 17\]

yay thanks! what about the second part? like if the bases were equal

if the bases are equal, then you can set the exponents equal and solve for x

thanks so much you're the best! Dan who??

ohh okay i get it

by " f-1(x)" you mean \(\LARGE f^{-1}(x)\) right?

yes

what does that notation mean? any ideas?

no i dont understand it

it means "inverse function of f"

so it can be found depending on what has been done?

so would f-1(132) be 132

-132

what undoes exponents?

LOGS

YOU TAUGHT ME THAT

so for what it means would i just write it means the inverse of 132? or the inverse of f of 132?

yeah

yaya thankyouuuu

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jim you're so nice!

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and you're patient and good at explaining things

thanks so much

no problem