The town of Springfield, USA has a population of 990099009900 people. The population is growing at a rate of 2.3\%2.3%2, point, 3, percent each year.
Which expression gives the town's population 555 years from now?
Choose 1 answer:

Respuesta :

Answer:

The expression is

[tex]y=9,900(1.023)^5[/tex]

[tex]11,092\ people[/tex]

Step-by-step explanation:

we know that

The equation of a exponential growth function is equal to

[tex]y=a(1+r)^x[/tex]

where

y is the population

x is the number of years

r is the rate of change

a is the initial value or y-intercept

we have

[tex]a=9,900\\r=2.3\%=2.3/100=0.023[/tex]

substitute the given values

[tex]y=9,900(1+0.023)^x[/tex]

[tex]y=9,900(1.023)^x[/tex]

For x=5 years

substitute in the exponential equation

[tex]y=9,900(1.023)^5[/tex]

[tex]y=11,092\ people[/tex]