OpenStudy (anonymous):

Can someone help me on one question?

2 years ago
OpenStudy (anonymous):

A dance competition on television had five elimination rounds. After each elimination, only one-fourth of the contestants were sent to the next round. The table below shows the number of contestants in each round of the competition: x 1 2 3 4 5 f(x) 512 128 32 8 2 Compute the average rate of change of f(x) from x = 2 to x = 4 and describe what it represents. −60 contestants per round, and it represents the average rate at which the number of contestants changed from the second round to the fourth round −120 contestants per round, and it represents the average rate at which the number of contestants changed from the second round to the fourth round −60 contestants per round, and it represents the number of contestants who will reach the final round −120 contestants per round, and it represents the number of contestants who will reach the final round

2 years ago
OpenStudy (anonymous):

Well an average is a linear representation So just do y(2)-y(1)/x(2)-(1)

2 years ago
OpenStudy (anonymous):

In other words rise over run

2 years ago
OpenStudy (anonymous):

Oooooooh okay. thanks so much!

2 years ago