Change and Percentage Change in Values of Functions
The change in the value of a function f from an input a to another input b is f(b) f(a).
The percentage change in the value of a function f from an input a to another input b is the
change in the value f
Time lines are a means of looking at problems involving transactions at different points in time. The key
fact to remember is that $100 today is not the same as $100 one year from today. We have to make
adjustments to allow for difference in ti