An epidemic follows the curve

P =700/

1 + 20,000e^0.549t

million people

where t is in years. How fast is the epidemic growing after 10 years? (Round your answer to two significant digits.) HINT [See Example 5.]

million people infected per year

How fast is the epidemic growing after 20 years? (Round your answer to two significant digits.)

million people infected per year

How fast is the epidemic growing after 30 years? (Round your answer to two significant digits.)

million people infected per year