PLEASE HELP ASAP 34 BRAINLY POINTS

1) Determine the relationship between the x- and y- values.
{(1, -1), (2, -2), (3, -3), (4, -4)}

Type your answer as an equation for the value of y, like this: y = 4x + 1


2) Determine a relationship between the x- and y- values.
{(1, 4), (2, 7), (3, 10), (4, 13)}
Type your answer as an equation for the value of y, like this: y = 4x + 1


3)Determine a relationship between the x- and y-values. Write the resulting equation.

{(2, -12), (3, -18), (4, -24), (5, -30)}

Type your answer as an equation for the value of y, like this: y = -4x + 1