Respuesta :
Answer:
Range of a function is defined as those values of y, for which x is Defined.
The given function is
[tex]y=\sqrt{x+5}[/tex]
Squaring both sides
[tex]y^2=x+5\\\\x=y^2-5[/tex]
x is defined for ,all Real values of y.
For any real y,we get defined value of x.
That is , y ∈ R
→→y∈(-∞,∞)⇒Range
