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kodi07
10.03.2020 •
Mathematics
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?
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Ответ:
The expression is
Step-by-step explanation:
we know that
The equation of a exponential growth function is equal to
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
substitute the given values
For x=5 years
substitute in the exponential equation
Ответ:
Step-by-step explanation:
Since 1.2y = 12, we dividee each side by 1.2 to get:
y = 12 / 1.2 = 10. (A)