for each of the following relations, explain why they are or are not a function using complete sentences.

A. x, 0, 4, 5, 7, y, 2, 18, 27, 51

B. x,-2,-1,0,-1 y, 3, 6, 9, 12

C. Domain: the ages of the students in GACA's 9th grade;, Range: The number of siblings they have. Find the range for the number of siblings

A. This relation is not a function because there are two different outputs (y values) for the same input (x value). For example, x=5 has two different y values, 18 and 27.

B. This relation is a function because each input (x value) corresponds to exactly one output (y value). There are no x values that have multiple y values assigned to them.

C. To find the range for the number of siblings, we need to consider all the possible values for the number of siblings based on the ages of the students in GACA's 9th grade. This range might include values such as 0, 1, 2, 3, etc. However, without specific data on the number of siblings each student has, it is not possible to determine the exact range for this relation.