Bali built the exponential function y = 4.4 to model the
outbreak of a virus over time, in months. With this context in
mind, what does the average rate of change of the function
over the interval 2 to 4 represent?
A) The number of new infections during month 4.
B) The number of new infections per month, from month 2 to
month 4.
C) The number of new infections from month 2 to month 4.
D) The starting number of infections.