standard_description: Interpret the equation y = mx + b as defining a linear function, whose graph is a straight line; give examples of functions that are not linear. For example, the function A = s2 giving the area of a square as a function of its side length is not linear because its graph contains the points (1,1), (2,4) and (3,9), which are not on a straight line.
problem_activity: Task
Every morning at summer camp, one of the campers has to hoist the camp flag to the top of the flagpole.
For each graph below, describe the action of the flag raiser that might have led to this graph that shows the height of the flag as a function of time.
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aligns: no