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 V2 = 0 12 = 2x + 5 X 8 . 2 8 esbila elyn y1 -8 -4 -2 2 4 7. y = x2-4x + 3 8. y1 = x2 3/2= -x2+ 2x + 3 12 = x3 y y1 4 3 y1 - x X 4 5