Kenneth S. answered • 09/04/16

Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018

It appears that you have some boundary lines:

y = 0 (also known as the x-axis!)

y=x (a line passing through the Origin, slope of 1)

x=4 (a vertical line passing through 4 on the x-axis)

What shape is THAT? Did you say triangle? you should be able to take it from here!

*There are a couple of other letters floating around in your statement of problem, but those should be ignored.*