alani64
alani64
19.11.2020 • 
Mathematics

A biologist is tracking the total population of birds in a national park. Over a 20-year period, the rate of change of the population went from –6,500 per year to 4,200 per year. Which statement best describes this change? The rate of change increased by 10,700 per year.
The rate of change decreased by 10,700 per year.
The rate of change increased by 2,300 per year.
The rate of change decreased by 2,300 per year.

Solved
Show answers

Ask an AI advisor a question