Question

Help with Functions?

Answer 1

do you know what the vertical line test is?

Answer 2

yes, but none of them seem to pass. i am between a and b

Answer 3

nope both of them are wrong because the imaginary line passes through 2 points

Answer 4

i'm not sure what to do then :/

Answer 5

the correct answer is d because in the other 3 graphs using the vertical line test the line passes through 2 points which means that they are not functions

Answer 6

do u mind showing me what u mean?

Answer 7

um, d does not pass the VL test either ...

Answer 8

i think b has an open dot ....