Question

True or false: if the graph of an equation CANNOT be intersected in more than one place by a vertical line, then it is NOT a function.

Select one:
A. true
B. false

Answer 1

FALSE

Explanation:

You DON'T want a graph to be intersected by a vertical line more than once. It's called the vertical line test and is VERY useful. If it can only be intersected once, it IS A FUNCTION.