Question

What rule changes the input numbers to output numbers?

Answer 1

Y - (-6) = (-4 - (-6))/(2 - 1) (x - 1)
y + 6 = (-4 + 6)(x - 1)
y + 6 = 2(x - 1) = 2x - 2
y = 2x - 2 - 6 = 2x - 8
y = 2x - 8.

option b is the correct answer.