Find the total mass of the triangle region in the figure below, which has density that equals 2+x. The triangle goes from -2

Question

Find the total mass of the triangle region in the figure below, which has density  that equals 2+x. The triangle goes from -2<x<2 with h=2.

anonymous · Answer

What figure?

(Diagram.)

anonymous · Answer

attachment

anonymous · Answer

From some googling, I get

$$\large     \textrm{density} =   \frac{\textrm{mass}}{\textrm{area}}     $$
$$\large{     d = {m \over A}     \ \ \     
m = Ad       }$$

Plug in the values for area of the triangle and density.

anonymous · Answer

Do i need to use some form of integral?

anonymous · Answer

I have no clue; never done this before.