The function f x 0 00001x 0 009x 0 2x 8 15 models the number of annual physician visits f x by a person of age x Graph the function in a 0 100 5 by 0 40 2 viewing rectangle What does the shape of the graph indicate about the relationship between one s age and the number of annual physician visits Use the TRACE or minimum function capability to find the coordinates of the minimum point on the graph of the function What does this mean Choose the correct graph below O A Q B All graphs have viewing window 0 100 5 by 0 40 2 O C Q G D OU