Graphs which present the values on the horizontal axis and the number of times this occurs on the vertical axis are known as wha
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a) See attached diagram.
b) The slope can be obtained by the formula:
Now
The greatest increases were from 2012 till 2013 years and the least increases were from 2007 till 2008 years.
c) Using graphing calculator, the equation of the line (black line in the diagram) is
d) Since the slopes are different, this line is not straight. From the given data you can predict that the "best fit" is quadratic function.
e) In 2017, find
