SOLUTION: Using interval notation, identify the domain for the function: f(x)=sqr(x^2 + 4)

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Question 1132603: Using interval notation, identify the domain for the function: f(x)=sqr(x^2 + 4)

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
x can be any real number, because its square is positive, so the function always exists.
(-oo, +oo)
graph%28300%2C300%2C-10%2C10%2C-10%2C10%2Csqrt%28x%5E2%2B4%29%29