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-2
62
1
avatar+389 

For how many real values of x is \(\sqrt{63-\sqrt{x}}\) an integer?

 Mar 31, 2020
 #1
avatar+30022 
+1

There are 8 integers from 0 to 7 that can result from the function.  Since x is continuous there are 8 possible values of x (smallest is 196, the largest is 3969).

 Mar 31, 2020

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