4. Functions and Relations
Interactive practice questions
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?
A
B
C
D
E
F
Easy
< 1min
Which of the following graphs show a relationship that is increasing at an increasing rate?
Easy
< 1min
Which of the following graphs show a relationship that is decreasing at an increasing rate?
Medium
< 1min
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.
Medium
< 1min
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