Which of the following is only a relation? {(1,2), (-1,2), (2,-3)}
{(1,2), (-1,-2), (2,-3)}
{(1,2), (-1,2), (1,-3)}

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Factor the polynomial by its greatest common monomial factor.

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.