SOLUTION: Saying that 4 < rad x <9 is equivalent t saying what about x? May you explain as well?

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Question 1036801: Saying that 4 < rad x <9 is equivalent t saying what about x? May you explain as well?
Answer by ikleyn(52756) About Me  (Show Source):
You can put this solution on YOUR website!
.
Saying that 4 < rad x <9 is equivalent t saying what about x? May you explain as well?
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Although the formulation is not perfect, I will do my best. 

If 4 < sqrt%28x%29 < 9,  then

   4%5E2 < x < 9%5E2,  or,  which is the same,  16 < x < 81.