How do you find the domain and range of #g(x)=3 sqrt(x+4)#?

1 Answer
Dec 28, 2017

Answer:

Domain: # x >= -4 or x| [-4,oo)#
Range: #g(x) >=0 or g(x)| [0,oo)#

Explanation:

#g(x)=3sqrt(x+4)# . For domain , under root is undefined for

any negative value. #:. x+4 >=0 or x >= -4#

Domain: # x >= -4 or x| [-4,oo)#

Range has no negative value , Range: #g(x) >=0 or g(x)| [0,oo)#

graph{3*(x+4)^0.5 [-40, 40, -20, 20]} [Ans]