question: <image 1>The graph of y = f(x) is shown in the figure above. The shaded region A has area a and the shadedregion B has area b . If g(x) = f(x) +3 .what is the average value of g on the interval [-2,4]?
  Options: A: (a+b+3)/6, B: (-a+b+3)/6, C: (-a+b)/6+3, D: (a+b)/6+3