Question

Find the domain of the function f(x)= under root x^2+5

Answer 1

Step-by-step explanation:

as per the rule of finding domain that f(X) if it is in under root then

$f(x) \geqslant 0$

$x { }^{2} + 5 \geqslant 0$

$x { }^{2} \geqslant - 5$

x £ (-infinity , infinity)