The graph shows the depth of water in a harbour between 08:00 and 20:00. a) Describe how the depth of water
changed over this time period,
b) At approximately what time was
the depth of water the greatest?
c) What was the minimum depth
of water during this period?
d) At approximately what times
was the water 3 m deep?
e) Mike's boat floats when the depth
of the water is 1.6 m or over.
Estimate the amount of time that his time boat was not floating during this period.
depth (m)