an elevator travels down from the top floor of a skyscraper. the graph below represents its height, in feet…

an elevator travels down from the top floor of a skyscraper. the graph below represents its height, in feet, over time in seconds. what does the x - intercept in the graph represent?
Answer
Brief Explanations:
The x - intercept is when height (y) is 0. In context, it's when the elevator reaches the ground floor.
Answer:
The time when the elevator reaches the ground - floor.