Find the present value p of a continuous income flow of c(t) dollars per year for p = t1 c(t)e−rt dt, 0 where t1 is the time in years and r is the annual interest rate compounded continuously. (round your answer to the nearest dollar.) c(t) = 100,000 + 4000t, r = 5%, t1 = 6

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected