Deriving an Exponential equation from two points (by hand)

Using two points to construct an equation by hand

My Video on Deriving an Exponential Growth Equation by Hand using two points (1)

My Video on Deriving an Exponential Decay Equation by Hand using two points (2) 

Deriving Exponential Equations by Hand using two points (3)

Deriving an exponential equation by Hand using two points (4)

Deriving an exponential equation By Hand using two points (5) 

My Video of Constructing a linear and exponential equation by hand 

Using the Graphing Calculator to Check your Work

Deriving Exponential Equations by Hand
(The calculator work below is to check the equation in this video)

Using Graphing Calculator Technology to Check your Hand Written Exponential Equation