I think we are using “rate” in different ways. The absolute rate of change per unit time for an exponential is hardly constant; If you look at the segment of e^x near, say, e^10, it’s growing much faster than it is at e^(-10).
I think we are using “rate” in different ways. The absolute rate of change per unit time for an exponential is hardly constant; If you look at the segment of e^x near, say, e^10, it’s growing much faster than it is at e^(-10).