Graphing with Desmos

y=1

y=2

y=3

y=0

y=-1

x=1

x=2

x=3

x=0

x=-1

y=x

y=x+1

y=x+2

y=x+3

y=x-1

y=2x

y=2x+1

y=2x+2

y=2x+3

y=2x-1

y=3x

y=3x+1

y=3x+2

y=3x+3

y=3x-1

y=-x

y=-x+1

y=-x+2

y=-x+3

y=-x-1