# Plot function with many conditions

I'm trying to plot the two-variable function below.

(1-4/3*d4)/(1-d-d4) where 0<d4<3/4 and d4<3d and d+d4 <1.

How to plot function with many conditions like this?

• Look up RegionFunction – Szabolcs Jun 4 at 13:36

Plot3D[(1 - 4/3*d4)/(1 - d - d4), {d, 0, 1}, {d4, 0, 1}