Question

Which relation is a function?

A.
(6, 5), (1, 1), (6, 4)

B.
(0, 1), (2, 3), (2, 5)

C.
(8, –2), (–2, 5), (6, 0)

D.
(–2, 3), (–5, 9), (–5, 3)

@dan815 @precal

Answer 1

plot your points and do the vertical line test.
If a vertical line crosses 2 points, it fails the test and is not a function.
Do you know how to plot the points?

Answer 2

no

Answer 3

you don't know how to plot points at all

Answer 4

(6, 5), (1, 1), (6, 4)
right 6, up 5 plot the point
right 1, up 1 plot the point
right 6, up 4 plot the point

Answer 5

Draw a line to connect the 3 points

Answer 6

no don't connect them

Answer 7

use the vertical line test, does the vertical line ever cross 2 points?

Answer 8

You connect (6,5), (1,1) and (6,4) then you are finished. Go to b and do the same

Answer 9

if so, then it is not a function

Answer 10

@loganvolleyball you are incorrect

Answer 11

sorry my points are not lined up exactly