<u>Part 1</u>
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We need to make sure the radical is defined, meaning the radicand has to be non-negative. Thus, the domain is 
<u>Part 2</u>
<u />
We need to make sure the radical is defined, meaning the radicand has to be non-negative. Thus,

Thus, the domain in interval notation is 
Answer:
21
Step-by-step explanation:
3 (7) - 2(4) + 8
21 - 8 + 8
13 + 8
21
(0.04) times (0.1) = 0.004 .
Since the original factors have the SAME sign,
their product is positive.
23 because if u add bothe of them up