This video explains how to perform exponential regression to model the number of world polio cases. Several questions are answers graphically using the TI84.

## Posts Tagged ‘model’

1 Jul

### Ex: Exponential Function Applications – Decreasing Water Level (Change of Base Used)

This video explains how to write an exponential function to model a decreasing water level of a lake. An exponential equation is solved using the change of base formula.

1 Jul

### Ex: Exponential Function Applications – Increasing Investment Value (Change of Base Used)

This video explains how to write an exponential function to model a increasing investment account balance. An exponential equation is solved using the change of base formula.

27 Jun

### Ex: Find a Linear and Exponental Model for Population Growth

This video explains how to determine a linear function and an exponential function to model population growth.

19 May

### Ex: Find the Velocity and Position Vector Functions Given the Acceleration Vector Function

This video explains how to determine a position and velocity vector valued function given the acceleration vector valued function.

19 May

### Ex: Find the Velocity and Acceleration Vector Given the Position Vector Valued Function

This video explains how to determine a velocity and acceleration vector at a given value of t given the position vector valued function. The speed is also found.

25 Mar

### Ex: Trigonometric Model -Displacement of a Mass on a Spring

This video explains how to find the amplitude, period, and frequency of a trigonometric function that models the displacement of a mass on a spring. (undamped motion)

20 Mar

### Ex: Find a Product of Two Mixed Numbers Using Area

This video explains how to determine the product of two mixed numbers using the area of a rectangle. The partial products are also shown.

20 Mar

### Ex: Find a Product of a Whole Number and Mixed Number Using Area

This video explains how to determine the product of a whole number and a mixed number using the area of a rectangle. The partial products are also shown.