In this problem it will be useful to recall the following properties of logarithms: log(xy)=log(x)+log(y) and log(xa)=alog(x).Find the least integer k such that f(n) is O(nk) for each of the following functions:f(n) = 18 + 28 + � + n8f(n) = log(n!)f(n) = log(nn) / (n9 + 1)

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

What is the total area of the figure?

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?