A town with a population of 20 000 loses residents at a rate of 0.4% per month because of a poor economy. Create an exponential function of the form Q = Qo * (1 + r)t (where r > 0 for growth and r < 0 for decay) to model the situation described. ANSWER: Q = Complete the table showing the value of the quantity, Q, for the first 5 units of time of decay. MONTH RESIDENTS 0 20 000 1 2 3 4 5
A town with a population of 20 000 loses residents at a rate of 0.4% per month because of a poor economy.
Create an exponential function of the form Q = Qo * (1 + r)t (where r > 0 for growth and r < 0 for decay) to model the situation described.
ANSWER: Q =
Complete the table showing the value of the quantity, Q, for the first 5 units of time of decay.
MONTH RESIDENTS
0 20 000
1
2
3
4
5
At its most basic, population expansion expands the overall size of the economy, including labour demand. As more people purchase goods and services, the economy grows to meet the need. If countries with rapidly expanding populations achieve a considerable and persistent decline in fertility, resulting in an increased concentration of the population in the working-age range, a youthful population presents an opportunity for accelerated per capita economic growth.
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