Here's the right way:


Here's the way they want you to do it:



Answer:
1416 cm
Step-by-step explanation:
Use calcutor shows everthinh
Answer:
All real numbers except where x<-3
Step-by-step explanation:
Values of x that make negatives under even radicals are not part of the domain. Any value of x that is less than -3 would make a negative under the square root, so those are not included in the domain.
The only consistent right answer will be B.
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Answer:
If you ask the question then I can help you.
Step-by-step explanation: