The graph below shows the projected number of people aged 65 and over in the United States with Alzheimer’s disease. Estimate and interpret the derivative in each of the following years.

(a) 2000 

(b) 2040
(c) Find the average rate of change between 2000 and 2040 in the number of people aged 65 and over in the United States with Alzheimer’s disease.

Transcribed Image Text:

Number of people aged 65 and over with Alzheimer's disease (millions) 42 ∞0 Year 2010 2020 2030 2040 2050 420