What's the domain of this? f(x)= 2x + 1 / sqrt( x^2 + 5x + 8)
\(f(x)= 2x +\frac{1}{\sqrt{x^{2}+5x+8 } }\)
\(x^2+5x+8>0\)
The definition set is D = ℝ
Greeting asinus :- ) !
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