Graphs 4
2 marks · EasyThe graph below shows the height, y (in metres), of a skier on a ramp as a function of time, t (in seconds).
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5 (m) at t = 2 seconds
Also accept: Maximum height is 5 m at 2 seconds.; y = 5 at t = 2
Common mistakes: Giving a value from another point
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Marking points
B1 · 1 mark · Correctly identifies the maximum value of the height, y.
B1 · 1 mark · Correctly states the time at which the maximum occurs.
Worked solution
The highest point on the graph is at (t = 2, y = 5), so the maximum height is 5 metres, occurring at 2 seconds.