Destiny invests $3,200 at a rate of 3.4%, compounded monthly. The function that models this situation is [math]f(x)=3200(1+\frac{0.034}{12})^{12x}[/math] , where [math]x[/math] represents the time in years. What is the rate of change between [math]x[/math] = 2 years and [math]x[/math] = 5 years?
