Guadalupe is on a hiking trail that goes north to south. If Guadalupe hikes xx miles north, her elevation, in feet, can be found using the function f, of, x, equals, left bracket, x, plus, 2, right bracket, squared, plus, 150, .f(x)=(x+2)
2
+150. Negative xx values would find the elevation if Guadalupe hiked south. Find and interpret the given function values and determine an appropriate domain for the function.