PED at point A is shown. Total revenue at point A is shown. Move point A until the revenue is as high as you can get it. What is the PED?
Proportions & Similar Triangles
eli's sea water park
Locus 1: Fixed distance from a point O
Post shadow, Sun behind
Solving Calculus Problems with Geogebra 3
Post shadow, lamp in front
Shadows in Perspective