<Li> The growth constant k is the frequency (number of times per unit time) of growing by a factor e; in finance it is also called the logarithmic return, continuously compounded return, or force of interest . </Li> <Li> The e-folding time τ is the time it takes to grow by a factor e . </Li> <Li> The doubling time T is the time it takes to double . </Li> <Li> The percent increase r (a dimensionless number) in a period p . </Li>

What type of rate of change does a linear function show