1. The total number of hot dogs sold at the concession stand at a football game can be modeled by the function H , where H(t) is the total number of hotdogs sold t hours after the game begins. Selected values of H are given in the table. t(hours) 10 1.5 3 3.5 H(t) hot dogs | 21 45 51 79 91 102 a. At what rate, on average, are hot dogs sold betweent t = 0 and t = 3.5 ? Show your work and include appropriate units in your