Look at the pictures.
y = mx + b - the linear function
the slope:
[tex]m=\dfrac{\Delta y}{\Delta x}\to m=\dfrac{2}{1}=2[/tex]
y-intercept:
[tex](0,\ b)\to(0,\ 6)[/tex]
[tex]\boxed{y=2x+6}[/tex]
Answer: [tex]\boxed{y=|2x+6|}[/tex]
