Answer:
The y value of a point where a vertical line intersects a graph represents an output for that input x value. If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that x value has more than one output.
Add both of thr meters together (660 meters) and multiply by 3 (the feet). you should get 1980 feet
Yes it is the right answer .-.
