
Lalit K. answered 04/30/20
Retired Electrical Engineer, loves teaching Math, and Circuits 101
Option 4 is the correct answer : 20.833
First set: 2= -x2 + 5x + 2, solve for x, = 0, 5
now integrate ( Yt - Yb) dx from limits 0 to 5.
the result of the integral is = 20.833