Answer:
DOMAIN: 2, 5, 7
RANGE: 2.3, 2.3, 15
Step-by-step explanation:
Domain is always the first value of the set, and range is always the second value of the set. Hope it makes sense, and that it helped.
Have a good day! goodluck.
the answer is 0 i used a calculator
Answer: 
<u>Step-by-Step Explanation:</u>
KCFmeans: Keep, Change, Flip
- Change: the sign <em>from division to multiplication</em>
- Flip: the second fraction
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<em>KCF is applied here!</em>
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