What is the domain of f(x)=sqrt((x^2+1))*sqrt(-2) ?

The domain of f(x)=sqrt((x^2+1))*sqrt(-2) is Undefined

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domain of f(x)=sqrt((x^2+1))*sqrt(-2)

domain

f (x) = (x^{2} + 1) \cdot - 2

Undefined

Solution steps

Find non-negative values for radicals:

False for all

x \in R

Undefined

f (x) = - 7 x + 42

\frac{3 x - 1}{x - 5}

f (x) = \frac{3}{x - 7}

- 3 x^{2} + 12 x - 7

f (x) = 5 - x

What is the domain of f(x)=sqrt((x^2+1))*sqrt(-2) ?
The domain of f(x)=sqrt((x^2+1))*sqrt(-2) is Undefined