ANSWER
{[tex]x | x \in \: R[/tex]}
EXPLANATION
From the graph, the given quadratic inequality is
[tex] {(x + 3)}^{2} \geqslant 0[/tex]
We can see that the corresponding quadratic function is a perfect square.
Since the graph opens upwards and it is always above the x-axis, any real number you plug into the inequality, the result is greater than or equal to zero.
Hence the solution set is
{[tex]x | x \in \: R[/tex]}
The correct answer is A
