Then we evaluate the expression at the upper and lower bounds and take the limit as a → 0+. lim a→0+ − 51x−4 4 1 a = lim a→0+ 51 4 a−4 − 51 4 = incorrect: your answer is incorrect.

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?