Question

@eric_d do you know this Graph the relation {(5, 0), (0, 5), (5, 1), (1, 5)}. Is it a function? Why or why not?

Yes, it passes the vertical-line test.
No, it does not pass the horizontal-line test.
Yes, it passes the horizontal-line test.
No, it does not pass the vertical-line test..

Answer 1

so did you plot the points....?

Answer 2

of not use this site to plot the points

https://www.desmos.com/calculator

Answer 3

thanks

Answer 4

i still dont get it

Answer 5

ok... so the test for a function is the vertical line test.... would there me any place when 2 or more points would be on a vertical line..?

Answer 6

yeah
the way i graphed it yeah

Answer 7

so if there is a vertical line with 2 points on it, there the set of points don't form a function as the fail the vertical line test.

Answer 8

no

Answer 9

so the solution is your last choice... no... it doesn't pass the vertical line test