Given the explicit expression f(n)=4n+2, write a set showing the sequence.(1 point) A.{2, 6, 10, 14,...} B.{4, 8, 12, 16,...} C.{6, 10, 14, 18,...} D.{6, 8, 10, 12,...}

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.