Respuesta :

Answer:

Domain: all real value

Range: [tex]f(x)\geq 2[/tex]

Step-by-step explanation:

Domain:

For all x belong to R:

There exist f(x)=x^2+2 such that f(x) belong to R

Range:

For all x belong to R:

[tex]x^{2} \geq 0\\x^{2} +2\geq 2\\f(x)\geq 0\\\\[/tex]