The value of a gold coin picturing the head of King RJ The Great is $150. This value is
increasing at a rate of 10% per year. Write an exponential growth function to model
this situation. Then find the value of the coin in 11 years.

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters