Writing a Definite Integral In Exercises 5-10, write a definite integral that represents the area of the region. (Do not evaluate the integral.) nonelun 5. y1 = x2 - 6x 6. y1 = x2+ 2x + 1 12 = 0 12 = 2x + 5 8 2 2 4 8 x or S eabile elyn -2 6+ y1 2-+ -8 y1 #+ + x -2 2 4 7. y = x2 - 4x + 3 8. y1 = x2 3/2= -x2+ 2x + 3 12 = 13