What is the rate of change for 1 < x < 4
x f(x)

1 8

2 32

3 128

4 512

A. 24
B. 40
C. 168
D. 104

What is the perimeter of square abcd? units units 28 units 37 units

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

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?