Scientists are studying the population of a rare species of primates, known as a Javan gibbons, on the Raja
Ampat Islands in Indonesia. They are studying the gibbons on three different islands, Batanta, Misool, and
Salawat. The scientists studied the population growth and recorded the data in the table.
Years (x)
0
1
72
S
3
Batana
B(x)
2
6
18
54
162
Misool
M(x)
20
120
1620
2520
Salawati
S(x)
38
81
124
167
210
253
1. What type of function is B(x), linear, quadratic or exponential? Justify your answer and show
calculations to support your conclusion.

2. What type of function is M(x)? Justify your answer and show calculations to support your conclusion.

3. What type of function is S(x)? Justify your answer and show calculations to support your conclusion.

4. A white-handed gibbon population, represented by W(x), was recorded at a fourth location, starting in
year three