Answer:
D
Step-by-step explanation:
The formula for rate of change is [tex]\frac{y2-y1}{x2-x1}[/tex].
For this problem y₂=16=f(3), y₁=4=f(5), x₂=3, and x₁=5.
Plugging these values into the rate of change formula:
rate= [tex]\frac{16-4}{3-5}[/tex] = [tex]\frac{12}{-2}[/tex] = -6.
In this problem, the rate of change represents the change in contestants over the change in rounds. In other words, it represents the rate that the number of contestants decrease between the third and fifth rounds. Answer choice D is correct.
