Answer:
A function is a relation in which each possible input value leads to exactly one output value. We say “the output is a function of the input.” The input values make up the domain, and the output values make up the range.
Answer: 1. back, 2. up, 3. about, 4. in, 5. round, 6. out, 7. back, 8. round, 9. up, 10. out, 11. in.
Explanation: hope this helps :)
