Respuesta :

gmany

Answer:

[tex]\large\boxed{\{x\ |\ -\sqrt5\leq x\leq\sqrt5\}}[/tex]

Step-by-step explanation:

[tex]x^2-5\leq0\qquad\text{add 5 to both sides}\\\\x^2\leq5\iff x\leq\sqrt5\ \wedge\ x\geq-\sqrt5\Rightarrow-\sqrt5\leq x\leq\sqrt5[/tex]

Answer: the answer is A

Step-by-step explanation: