The population, P, of six towns over time t in years is described by the following exponential equations:
(i) P=1000×(1.08)ᵗ
(ii) P=600×(1.12)ᵗ
(iii) P=2500×(0.9)ᵗ
(iv) P=1200×(1.185)ᵗ
(v) P=800×(0.78)ᵗ
(vi) P=2000×(0.99)ᵗ
Which towns are growing in size?
a) i, ii, and iv
b) iii, v, and vi
c) i, ii, and iii
d) vi, i, and ii
