Chapter 1.6, Problem 67E

(a)

To determine

Whether the graph of amount function $A=7500{(1.015)}^{〚4t〛}$ after t years is continuous or not and explain with reason.

(b)

To determine

To calculate: The balance in the account after 2 years whose amount function is $A=7500{(1.015)}^{〚4t〛}$.

(c)

To determine

To calculate: The balance in the account after 7 years whose amount function is $A=7500{(1.015)}^{〚4t〛}$.