Number of photos:

Price per photo:

Darlena has started taking photos at amateur dog racing events, later offering the photos for sale to the dog owners by ema The prices she has charged per photo at each of her first three events, and the corresponding number of photos sold and total revenue raised, appear in the table below. Treating revenue as a function of the number of photos sold, a graph of the three data points is also shown. If she uses quadratic regression to fit a curve to the data, what number of photos sold and what price per photo will maximize her revenue