Supposed the population of deer in a region was 3,500 in the year 2000.since then population has grown by 3.5% annually. What wi
ll the approximate population be in the year 2020? Y=a•b^x where a is the starting amount, b is the growth rate (increasing add to 1),and x is time.
1 answer:
Y = a (b^x)
1) x = 0, y = 3500
=> 3500 = a (b^0)
=> 3500 = a (1)
=> a = 3500
2) growth percent = 3.5% => growth rate = 1.035 = b
=> y = 3500 (1.035)^ x
3) year 2020 => x = 2020 - 2000 = 20
4) y = 3500 (1.035)^ 20 = 6964
Answer: 6964.
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