Exponential Growth Applications

Practice Questions

GRE Subject Test: Math › Exponential Growth Applications

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1

The rate of growth of the bacteria in an agar dish is proportional to the population. The population increased by 150 percent between 1:15 and 2:30. What is the constant of proportionality?

2

The rate of growth of the Martian Transgalactic Constituency is proportional to the population. The population increased by 23 percent between 2530 and 2534 AD. What is the constant of proportionality?

3

The rate of decrease of the gluten-eating demographic of the US is proportional to the population. The population decreased by 8 percent between 2014 and 2015. What is the constant of proportionality?

4

The rate of growth of the salmon population of Yuba is proportional to the population. The population increased by 21 percent over the course of seven years. What is the constant of proportionality?

5

The rate of growth of the duck population in Wingfield is proportional to the population. The population increased by 15 percent between 2001 and 2008. What is the constant of proportionality?

6

Suppose a population of bacteria increases from to in . What is the constant of growth?

7

A population of mice has 200 mice. After 6 weeks, there are 1600 mice in the population. What is the constant of growth?

8

A population of deer grew from 50 to 200 in 7 years. What is the growth constant for this population?

9

The rate of growth of the Land of Battlecraft players is proportional to the population. The population increased by 72 percent between February and October of 2015. What is the constant of proportionality?

10

Bob invests in a bank that compounds interest continuously at a rate of . How much money will Bob have in his account after years? (Round answer to decimal places.)

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