Problem 18b

Given information

Given the information that the principal amount borrowed is   compounded continuously.

Given   is the amount

Given duration  years, where, and rate of interest are 

Step-by-step explanation

Equate the amount for a continuous compound for a different rate of interest is 

, and  

Sketch the graph of the equation  ,  and    using a graphing utility

Step 1 follows as  Press the WINDOW button to access the Window editor.

Step 2 follows as Press    button

Step 3 follows as  enter the expression  ,  and  

Step 4 Click Graph Button