The function F(x) = 1000(1.25)^-x models the value of an investment over x years. Which statement best describes the investment modeled by F(x)?


The investment grows at the rate of 25% per year.

The investment grows at the rate of 20% per year.

The Investment decreases at the rate of 20% per year.

The investment decreases at the rate of 25% per year.