The graph shown below approximates the number of children in a country who lived with only their grandparents in the years from 1991 through 2009 The number of children is a Function f of the year x Approximate the number of children living with only grandparents n 1991 That is find f 1991 Number of children in millions 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 91 93 95 97 99 01 03 05 07 09 Year The number of children living with only grandparents in 1991 is appro million Type an integer or a decimal T