## Posts Tagged ‘app’

### Applicaton of Matrix Multiplication – Transformation

This video provides an example of how matrix multiplication can be used to perform a rotation on the coordinate plane.

### Ex: Model Daily Temperatures Using a Trig Function

This video explains how to model daily temperatures using a sinusoidal function given the daily low and high temperature.

### Ex: Newton’s Law of Cooling – Exponential Function App

This video explains how find an exponential function to model the cooling of an object using newton’s law of cooling.  Then the function is used to determine when an object will cool to a specific temperature.

### Exponential Growth App with Logs (y=ae^(kt)) – Find Initial Amount Given Doubling Time

This video explains how to determine an exponential function in the form y=a*e^(kt) given the doubling time.  The it determines the initial population given a population after a certain amount of time.

### Exponential Growth App (y=ab^t) – Find Initial Amount Given Doubling Time

This video explains how to determine an exponential function in the form y=a*b^t given the doubling time.  The it determines the initial population given a population after a certain amount of time.

### Exponential Growth App (y=ab^t) – Given Doubling Time

This video explains how to determine an exponential function in the form y=a*b^t given the doubling time.  The it determines a population after a given amount of time.

### Exponential Decay App with Logs (y=ae^(kt)) – Find Half Life

This video explains how to determine an exponential decay function in the form y=a*e^(kt) from given information.  Then it explains how to determine the half life.

### Exponential Decay App (y=ab^t) – Find Initial Amount Given Half Life

This video explains how to determine an exponential function in the form y=ab^t that models decay based upon given information.  Then given a decayed amount, it shows how to find what the initial amount was.

### Exponential Decay App (y=ae^(kt)) – Given Half Life

The video explains how to write an exponential function in the form y=ae^(kt) given the half life.  Then it explains how to determine how much will remain after a certain amount of time.

### Exponential Decay App (y=ab^t) – Given Half Life

The video explains how to write an exponential function in the form y=ab^x given the half life.  Then it explains how to determine how much will remain after a certain amount of time.