Could you help me with this is from apex please

John Moses asked Mar 10, 2023

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40 votes

John Moses asked Mar 10, 2023

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23 votes

The function is

$f(x)=(1)/(9)9^x=9^(-1)\cdot9^x=9^(x-1)$

To get f(3), set x=3 and solve, as follows:

Then, the answer is 81, option A

Jevl answered Mar 17, 2023

by Jevl

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