CPM Homework Banner
9-20.

Use the graph at right to write an equation in form.  

Decreasing exponential curve, passing through the points (0, comma 3), & (1, comma 1), with a slope triangle between those 2 points, horizontal leg labeled, + 1, vertical leg labeled, negative 2.

The value is the initial value or -intercept.

The value is the multiplier. Think of the two given points in a table like you used in finding geometric sequences. What number would you multiply by to get ?