The numbers of absent days a student had in the last five months are {0, 4, 2, 0, 3}. What is the approximate population variance of this data

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)