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For questions 20 through 23, use the graph below. 20. Is this the graph of a one to one function? How do you know? 21. what is the range of this function? 22. what is f(-1)? 23. what is f(3)?
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For questions 20 through 23, use the graph below.

20. Is this the graph of a one to one function? How do you know?

21. what is the range of this function?

22. what is f(-1)?

23. what is f(3)?

For questions 20 through 23, use the graph below. 20. Is this the graph of a one to-example-1
User Wafa
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Answer:

20) yes

21) -1

22) 1

23) -4

Explanation:

User RamAlx
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