+0  
 
0
222
1
avatar

For each situation, define variables and what units they might have (no need to write formulas). State whether the quantity is changing in a linear or exponential fashion.

A savings account, which earns no interest, receives a deposit of $723 per month.

 


 

The value of a machine depreciates by 17% per year.



 

A liter of water evaporates from a swimming pool every day.



 

Every 124 minutes, 12 of a drug dosage remains in the body.

Guest Feb 14, 2018
 #1
avatar+93038 
+1

A savings account, which earns no interest, receives a deposit of $723 per month.

 

Linear......let  A be the amount accumulated in dollars and M  the number of months the deposit is made

 

 

 

The value of a machine depreciates by 17% per year.

 

Exponential.....let  V be the value in dollars  after  T  years

 

 

 

A liter of water evaporates from a swimming pool every day.

 

Linear......let A be the amount of water in liters remaining in the pool after D  days

 

 

I think the last is supposed to be  

 

Every 124 minutes, 1/2 of a drug dosage remains in the body.

 

Exponential.....this is a decay situation.....let   AO be the original amount (in cm^3)  and AT the amount remaining after T minutes  

 

 

cool cool cool

CPhill  Feb 14, 2018

9 Online Users

avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.