Its adding 9 every time.
-3, 6, 15, 24, 33, 42, 51, 60
<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>
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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 
it will be twelve and thirty eight hundredths
I don’t understand how you worded the question but x=-4 if thats what you are looking for
I think the correct answer is C. i hope this helps