SOLUTION: Can you help me solve this problem?: Find the domain of f(x)=sqrt(x^2+x-12)

Question 433954: Can you help me solve this problem?:
Find the domain of f(x)=sqrt(x^2+x-12)
Found 2 solutions by robertb, Gogonati:
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!

==>
Hence the domain is (, -4] U [3, ).
Answer by Gogonati(855) (Show Source): You can put this solution on YOUR website!
the function is defined if , or
, and the domain of f(x) are the intervals:
(-infinity, -3] joint with [4, infinity).
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