8. The population of a city has continued to grow since 1950. The A population P, in thousands, and the time , in years,

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8 The Population Of A City Has Continued To Grow Since 1950 The A Population P In Thousands And The Time In Years 1 (40.84 KiB) Viewed 49 times

8. The population of a city has continued to grow since 1950. The A population P, in thousands, and the time , in years, since 1950 are given in the table below and in the graph. Time, t (years) Population, P (thousands) 5 10 20 0 10 20 30 40 50 60 40 80 160 320 a) Calculate the average rate of change in population for the following intervals of time. i) 0≤t≤ 20 ii) 20 ≤ ≤ 40 b) Is the population growth constant? c) iii) 40 ≤ ≤ 60 iv) 0 St≤ 60 To predict what the population will be in 2050, what assumptions must you make? Population (thousands) 32 240 16 84