+0  
 
0
612
1
avatar

y=arccos(2x/1+x2)

find the domain 

Guest Apr 2, 2017
 #1
avatar+87309 
+1

Look at the graph, here :  https://www.desmos.com/calculator/wsr4thr9vo

 

Note that the function is defined for all values of x.

 

 

cool cool cool

CPhill  Apr 2, 2017

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