Debra deposits ​$1100 into an account that earns interest at a rate of 3.75​% compounded continuously.   ​a) Write the differential equation that represents​ A(t), the value of​ Debra's account after t years. ​b) Find the particular solution of the differential equation from part​ (a). ​c) Find ​A(4​) and A′​(4​). ​d) Find A′(4)A(4)​, and explain what this number represents.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Debra deposits ​$1100 into an account that earns interest at a rate of 3.75​% compounded continuously.
 
​a) Write the differential equation that represents​ A(t), the value of​ Debra's account after t years.
​b) Find the particular solution of the differential equation from part​ (a).
​c) Find ​A(4​) and A′​(4​).
​d) Find A′(4)A(4)​, and explain what this number represents.
 
​a) The differential equation is dA/dt=
 
​b) The particular solution is ​A(t)=.
 
​c) The values for ​A(4​) and A′​(4​) are ​A(4​)=​$ and A′​(4​)=​$ per year.
​(Round to two decimal places as​ needed.)
 
​d)
A′(4)A(4)=enter your response here
​(Round to four decimal places as​ needed.)
What does this number​ represent?
 
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