Christa went for a run. She started by gradually increasing her speed until she felt comfortable, then kept her speed constant for a little while. She then slowed down as she got tired towards the end of her run.
Which graph shows the total distance covered by Christa plotted against time?
Which of the following graphs show a relationship that is increasing at an increasing rate?
Which of the following graphs show a relationship that is decreasing at an increasing rate?
Ned has two graphs. Each graph shows how the height of the water in a vase changes as a constant flow of water is poured in.