The animal Ereaticus is endangered

MATHEMATICS · Multi-part · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions

Problem

The animal *Ereaticus* is endangered. Since 2005 there has only been one colony remaining, and in 2005 the population of that colony was 555. The population has been steadily decreasing by 4.5% per year. (1) - Estimate the population in the year 2020. (2) - In what year do we expect the population to have declined to 50?

Related theory

Browse the problem library