Answer:
The coordinates of the points in the graph are;
(5, 2), (10, 3.5), (15, 5), 20, 5.5)
The data points are plotted using MS Excel
Given that the height of a person stops increasing beyond around 20 years of age, it is expected that the height will remain slightly the same at 5.5 feet beyond 20 as follows;
(25, 5.5), (30, 5.5), (35, 5.5), (40, 5.5)
Therefore, if the data were to extend beyond 20, the linearization will give a more horizontal line with a gentler slope
Please see attached graphs created with MS Excel
Explanation: