Question

helppp

Answer 1

heard of `vertical line test` before ?

Answer 2

yes @ganeshie8

Answer 3

good, what does that tell you ?

Answer 4

http://hotmath.com/hotmath_help/topics/vertical-line-test.html

Answer 5

@ganeshie8 that the first one is yes, since it passes the line test. and the second one doesnt

Answer 6

its the opposite actually

Answer 7

first graph fails the vertical line test
second graph passes the vertical line test

Answer 8

So first graph is not a function

Answer 9

oh i understand now, i was confused, because i thought it was the other way around. thank you

Answer 10

np :) it is indeed confusing when you learn it for the first time