# If the rate of inflation is 2%, the cost of an item in future years can be found by iterating the function #c(x)=1.02x#, how do you find the cost of a $70 portable stereo in four years if the rate of inflation remains constant?

##### 1 Answer

Jul 14, 2017

#### Explanation:

Note that adding on

Multiplying a quantity by

If this increase happens to an amount

Therefore after