1.
The answer is either letter A or letter B
Graph the relation {(5, 0), (0, 5), (5, 1), (1, 5)}. Is it a function? Why or why not?


A. No, it does not pass the vertical-line test..


B. No, it does not pass the horizontal-line test.


C. Yes, it passes the horizontal-line test.


D. Yes, it passes the vertical-line test.