Respuesta :

Answer:

[see below]

Step-by-step explanation:

[tex]y=x^2+1; y=4\\\\4=x^2+1\\\\4-1=x^2+1-1\\\\3=x^2\\\\\sqrt{3}=\sqrt{x^2}\\\\ \boxed{1.7; -1.7=x}[/tex]

Hope this helps.

Otras preguntas