Question

Question #2acf4

Answer 1

domain: `[1,∞)`

range: `[2,∞)`

Explanation:

This is the graph for `2+sqrt(x+1)`
graph{2+sqrt(x-1) [-10, 10, -5, 5]}
Any `x` values `<1` would be negitive (as 1 is taken from the #x# value) the square root would not be real.

eg.
`sqrt(0.2-1)`=`sqrt(-0.8)`