Question

how can you tell if a graph represents a one to one function

Answer 1

A function is said to be 1-1 if, when your draw a horizontal line through the graph, it intersects the graph at only 1 point.

Answer 2

please explain we don't want Hero to get upset for thinking your giving me answers

Answer 3

Mathematically, For every value of x there is exactly 1 unique y value that corresponds to each value for x.

Answer 4

ok thanks @dido

Answer 5

You are welcome :) .