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I reallyyyy need help with this pleaseee :(
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15 votes
I reallyyyy need help with this pleaseee :(

I reallyyyy need help with this pleaseee :(-example-1
User Kibar
by
4.0k points

1 Answer

14 votes

Answer:

4th option

Explanation:

using the rule of logarithms


log^(n) = nlogx


3^(7x) - 8 = - 2 ( add 8 to both sides )


3^(7x) = 6 ( take the log of both sides )

log
3^(7x) = log6

7xlog3 = log6 ( divide both sides by 7log3 )

x =
(log6)/(7log3) ≈ 0.23 ( to the nearest hundredth )

User Avner Moshkovitz
by
3.6k points
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