What is the domain and range of #f(x)= sqrt(x+2) - 3#??
1 Answer
Mar 21, 2018
Explanation:
#"the domain is determined by the radical"#
#"that is "x+2>=0rArrx>=-2#
#"domain is "[-2,+oo)larrcolor(blue)"in interval notation"#
#f(-2)=0-3=-3rArr(-2,-3)" is minimum"#
#rArr"range is "[-3,+oo)#
graph{sqrt(x+2)-3 [-10, 10, -5, 5]}
