1103171402
Level:
B
There are graphs of three linear functions in the picture. Choose the formula which corresponds to all three functions.
\( y=dx-2;\ d\in\mathbb{R}^- \)
\( y=dx-2;\ d\in\mathbb{R}^+ \)
\( y=2x+d;\ d\in\mathbb{R}^- \)
\( y=-2x+d;\ d\in\mathbb{R}^+ \)