Answer:
7
Step-by-step explanation:
sqrt(49)
What number times itself = 49
7*7 = 49
and
-7*-7 = 49
Given the choices choose 7
Answer:
D
Step-by-step explanation: I just took the quiz.
Answer:
hi it -2 3
Step-by-step explanation:
Answer:
[0, infinity)
Step-by-step explanation:
A square root can only use positive numbers, otherwise it becomes imaginary. A function needs to be real to output real values. Therefore, the domain is everything from 0 onwards.
The answer is : 
Here are the steps below to help you! ^^