Endangered Species The Florida scrub-jay is an endangered species that prefers to live in open landscape with short vegetation. NASA has attempted to create a habitat for these birds near Kennedy Space Center. The following table lists their population for selected years, where x = 0 corresponds to 1980, x = 1 to 1981, x = 2 to 1982, and so on.
x(1980 ↔ 0) | 0 | 5 | 9 | |||
y(population) | 3697 | 2512 | 2176 | |||
x(1980 ↔ 0) | 11 | 15 | 19 | ||||
y(population) | 2100 | 1689 | 1127 |
Source:Mathematics Explorations II, NASA–AMATYC–NSF.
(a) Make a scatterplot of the data.
(b) Find a linear function f that models the data.
(c) Graph the data and f in the same viewing rectangle.
(d) Estimate the scrub-jay population in 1987 and in 2003.
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