SOLUTION: Saying that 4 < sqrt x < 9 is equivalent to saying what about x?

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Question 278882: Saying that 4 < sqrt x < 9 is equivalent to saying what about x?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
4+%3C+sqrt%28x%29+%3C+9
Square all terms.
16+%3C+x+%3C+81