A7 1
3^-x-2>=(1/27)
3^-x-2>=3^-3
-x-2>=-3
-x>=1
x<=-1
A9 2
A10 1
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Answers & Comments
A7 1
3^-x-2>=(1/27)
3^-x-2>=3^-3
-x-2>=-3
-x>=1
x<=-1
A9 2
A10 1