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3: DOMAIN AND RANGE FROM GRAPHS OF FUNCTIONS: ALTERNATE VIEW

Let all points from the graph "drop" on the x axis. The interval on the x axis covered by the falling points represents the domain.

 Graph

Let all points from the graph "slide" on the y axis. The interval on the y axis covered by the falling points represents the range.

Graph

CONCEPT CHECK: WORD PROBLEM

The following diagram describes a student's journey from his home to a friend's house and back.
Graph The total distance traveled in the 8 hours is: miles.