What is the equation for this graph?

Eq

Answer 1

[David Sanchez]

I give you the first section and you extend it along the x-axis

    x = 0:0.001:0.04;
    y = (800.*x-4).*(x>=0 & x<0.01) + 4.*(x>=0.01 & x<0.02) + (-400.*x+12).*(x>=0.02 & x<=0.04);
    plot(x,y)
    grid on
    axis([0 0.04 -6 6])

[Kris]

Thank you!!