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Find the set of all real numbers x so that \( \lfloor x^2 \rfloor =3\)

Express your answer in interval notation. \(\)

 Jun 16, 2021
 #1
avatar+121063 
+1

floor  [ x^2 ]   =     3

 

Note  that   on  the interval   (-2  , - sqrt 3 ]     this will be  true

 

Also  on the interval     [sqrt 3 , 4 )      it will  be true

 

 

cool cool cool

 Jun 16, 2021
 #2
avatar+30 
+1

thank you!

natilie45632  Jun 16, 2021
edited by natilie45632  Jun 16, 2021

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