Answer
Is a function
Domain: {2, 3, 4, 5}
Range: {5, 7, 9, 11}
Work Step by Step
This is a function because there is exactly one y-value for each x-value. To find the domain, we make a set of all possible x-values given by the problem. To find the range, we make a set of all possible y-values given by the problem.