# Exponential Growth/ Decay Project

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**566a627b4f0e8566a627b6ebc0**

Last updated 5 years ago

** Discipline: **

Math ** Subject: **

Pre-Calculus
** Grade:**

11,12

Exponential Functions Project

Questions:2. How many years would it take for Cuba to decrease to 6 million people?It would take 403 years for Cuba to decrease to 6 million people3. What will be the population of Cuba in 5 years if it continues to decrease in the same rate?The population of Cuba will be 11.18 in 5 years 4. What will the population of Cuba be in 2030 if it continues to decrease at the same rate?The population of Cuba will be 10.77 in 15 years

Questions

2. If the growth rate continues to be the same how much will the population increase in 5 years?y= 48,320,000 (1 + 0.104)^t T=5 yearsThe population will be at about 78.7 million3.How long would it take for the population to double? It will take 7 years for the population to double 4. How many years till the population reaches 60 million? After about two years the population will reach 60 million

Exponential Decay In 2015 the population in Cuba was 11.27 million and the decrease rate is -0.15%

In 2015 the population in Colombia was 48.32 million and the growth rate is 1.04%

Exponential Growth

Excercise

1. Write an equation to model the exponential growth rate in t yearsy= 48,320,000 (1 + 0.104)^t

1. Write an equation to model the exponential decay rate in t yearsy=11,270,000 (1-0.0015)^t

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