Maria has 14 pencils, ted has 9 pencils, tom has 12 pencils, lucinda has 13 pencils, and jumana has 12 pencils. how can they redistribute the pencils so that they all have the same amount? how many pencils should each person have?

Which function has an inverse that is also a function? a.{(-4,3), (-2, 7), (-1,0), (4, -3), (11, -7)} b.{(-4, 6), (-2, 2), (-1, 6), (4,2), (11, 2)} c.{(-4,5), (-2, 9), (-1,8), (4, 8), (11,4)} d.{(-4,4), (-2, -1), (-1,0), (4, 1), (11, 1)}