The number of households f(x), in millions. participating in the Food Stamp Program from
1999 to 2004 (where x = number of years) is represented by the function
f(x) = 0.78x^2 -5.5x+12.68
a. During which years would the number of households be less than six million?
b. In which year was the number of households participating at a minimum
c. How many households received food stamps that year