# The exponential decay graph shows the expected depreciation for a new boat, selling for $3500, over 10 years. How do you write an exponential function for the graph. Use the function to find the value of the boat after 9.5 years?

##### 1 Answer

Mar 30, 2017

#### Explanation:

Exponential equations can be written simply like this:

whereby:

In this case,

Hence, after 9.5 years, the value of the boat is: