Question

A music competition on television had five elimination rounds. After each elimination, only half 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) 64 32 16 8 4


Compute the average rate of change of f(x) from x = 3 to x = 5 and describe what it represents.