25. The populations, P, of six towns with time t in years are given by (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 (a) Which towns are growing in size? Which are shrinking?

25. The populations, P, of six towns with time t in years are given by (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 (a) Which towns are growing in size? Which are shrinking?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter7: Exponents And Exponential Functions

Section7.9: Geometric Sequences As Exponential Functions

Problem 49PFA

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25. The populations, P, of six towns with time t in years are given by

(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

(a) Which towns are growing in size? Which are shrinking?

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