Does this graph represent a function? What is the domain and range of the graph?
https://media.education2020.com/evresources/4072-01-02-02-00_files/i0220000.jpg

Question

Does this graph represent a function? What is the domain and range of the graph?
https://media.education2020.com/evresources/4072-01-02-02-00_files/i0220000.jpg

anonymous · Answer

answer choices below

anonymous · Answer

A. Yes; domain: all real numbers; range:: https://media.education2020.com/evresources/4072-01-02-02-00_files/i0220001.jpg B. Yes; domain: all real numbers; range: https://media.education2020.com/evresources/4072-01-02-02-00_files/i0220002.jpg C. No; domain: all whole numbers; range: https://media.education2020.com/evresources/4072-01-02-02-00_files/i0220003.jpg D. Yes; domain: all real numbers; range: https://media.education2020.com/evresources/4072-01-02-02-00_files/i0220004.jpg

sweetburger · Answer

Does each x value have it own unique single y value? Another way of asking this is if you were to draw a vertical line through any point of the graph would there be any point where it would intersect more than once?