1. This table shows the input and output values for an exponential function f(x).

What is the ratio of outputs for any two inputs that are one value apart?




4

−12

2

−2
2. The table represents an exponential function.

What is the ratio of outputs for any two inputs that are two values apart?

Divide the larger output by the smaller output.



Enter your answer, as a decimal to the nearest hundredth, in the box.



3. Which situations can be represented by an exponential function?

Select each correct answer.




The value of a motorcycle decreases by 12% each year.

In a structure made of soup cans, each row has 6 more cans than the previous row.

Every year, the number of online subscribers to a service is 4 times what it was the previous year.

A doctor's office accepts 20 new patients each month.