Question

Help

Answer 1

whether a graph is a function is determined by the vertical line test

take a pencil or other vertical object

run it along the x-axis

does the function touch the pencil anywhere more than once?

if it doesn't ---> it's a function
if it does ---> it's not a function

Answer 2

C?

Answer 3

whether a graph is a function is determined by the vertical line test. it has nothing to do with whether the line is straight or curved.

apply the vertical line test.

Answer 4

Oh so the answer will never be "Yes, Because its curved?"

Answer 5

yes, because both curved and straight functions exist

Answer 6

ooh ty sm really helped