Ryan has the chickenpox! He was told that the number of pockmarks on his body would grow exponentially until his body overcomes the illness. He counted
Ryan decides to use the points
and to write an equation for the exponential model. Use these points to write the equation of his function in the form .
Substitute both points into the equation
and solve for and .
According to your model, on what day did Ryan get his first chickenpox pockmark?
, so October 22