Which of the following is not always true of a function and its inverse? A. They reflect across the line y =r.
B. if f (a) =b, then f (b)=a.
C. f-1 (x) is a function.
D. (F F-1)(x) = x

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets