Answer 1

When x = – 1, y = 4(–1) – 1 ⇒ y = – 5

When x = 0, y = 4(0) – 1 = 0 – 1 ⇒ y = – 1

When x = 2, y = 4(2) – 1 = 8 – 1 ⇒ y = 1

x	– 1	0	2
y	– 5	–1	7

Plot the points (–1, –5) (0, –1) and (2, 7) in the graph sheet we get a straight line. At the time of printing change the direction.