Graphing and analyzing the exponential functions Progress is being made on the incident of measles in an African country, as a result of an accessible vaccination program. The number of diagnosed cases in thousands as a function of time is, t, in years from 2016 is givin by

N(t) = 16(2 ^1-t) - 1 1

A) inspect function and explain why the equation represents a decreasing function

B) find horizontal asymptote

C) state practical domain and range in interval notation