Hurry 16 points will give brainliest! what is the area of this figure?

137.5 square cm.

Break the shape up into 4 different ones and total them.

See attached picture.

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

what i would say the best answer is a. 40.5