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Mathematics 11 Online
OpenStudy (anonymous):

wsdgdfgass

OpenStudy (anonymous):

@radar

OpenStudy (mathmale):

Although I could jump in and try to "solve" this problem on the basis of my own assumptions, I'd much prefer that you, @habibmatatta , provide the instructions that came with the problem.

OpenStudy (anonymous):

solve each for all possible values of x

OpenStudy (mathmale):

Solve for all possible values of x:\[9^(-x)>243^(x-9) => 9^{-x}>243^{x-9}\]

OpenStudy (mathmale):

suggest you use Equation Editor if at all possible; the results are so much easier to read.

OpenStudy (anonymous):

ok so the inequality is \[9^{-x}>243^{x-9}\] how do i solve for x?

OpenStudy (mathmale):

I would now multiply both sides of the last inequality by 9^x to obtain a " 1 " on the left side: Doing this results in 1 = 243^(x^2-9). Can you agree with this?

OpenStudy (anonymous):

yup

OpenStudy (mathmale):

Actually, I'm wrong there. I'm going to take a different approach. Pls give me a minute to work this out, rather than "think out loud" here. BRB.

OpenStudy (radar):

|dw:1392744911000:dw|

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