OMG IL GIVE BRAINLIESST IF U HELP AND EXPLAIN

Firstly split the shape into three distinct figures 2 right triangles can a rectangle firstly find the area of the rectangle then the triangles and add them together the pie thing is a trick you won’t need to use it in this question

I'm pretty sure it's b). i try drawing the functions out and b is the one that stands out or isnt a "line"