Y = 3x-1
(1) x = -2
Y = 3(-2) - 1
Y = -6-1
Y = -7
(2) x = 1
Y = 3 (1) - 1
Y = 3-1
Y = 2
(2) x = 0
Y = 3(0) - 1
Y =0-1
Y = 1
(4) x = 1
Y = 3(1)-1
