CPM Homework Help : INT2 Problem 3-46

Match each scenario to a graph that could represent it.

The number of students in a classroom throughout one school day.
Hint (a):
The graph will be fairly constant during class time and change between periods.
Answer (a):
Graph 3.
The total number of tickets sold for the Joshua Beatble concert.
Hint (b):
People purchasing tickets will result in a graph that is increasing at all times.
An athlete’s time for the $400$ -meter run over a given track season.
Hint (c):
The $400$ -meter time will typically decrease for someone over the season.
Answer (c):
Graph 4.

first quadrant Graphs. Graph 1: Increasing curve, opening down. Graph 2: decreasing line from top left, to bottom right. Graph 3: Graph rises rapidly, levels off, dips slightly, then rises slightly higher, levels, dips slightly, rises higher & levels off, decreases to the x axis, rapidly, the rises to the same height as first increase levels off, dips slightly, rises higher & levels off, dips lower, then rises less than fourth rise, then drops to the x axis. Graph 4: Deceasing curve, opening up. Graph 5: Downward parabola, with point on the origin.