SOLUTION: Please help me solve this. Saying that 4 < sqrt(x) < 9 is equivalent to saying what about x?

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Question 743178: Please help me solve this.
Saying that 4 < sqrt(x) < 9 is equivalent to saying what about x?
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
typically we want to write inequalities in terms of a variable, so we rewrite it in terms of just x:
%0D%0A4+%3C+sqrt%28x%29+%3C+9%0D%0A

%0D%0A4%5E2+%3C+%28sqrt%28x%29%29%5E2+%3C+9%5E2%0D%0A

%0D%0A16%3Cx%3C81%0D%0A

:)