ZOOM + k Press esc | to exit full screen Math 1131 Questions for The Definite Integral | lecture For questions (1)-(5), approximate the definite integral using 4 rectangles of identical width and taking the right-endpoint of each subinterval as a sample point. (1). 2x + 5 dx ( 2 ) . [ 2 + 3 dr (3). 32 + 14 dz (4 ) . ( x 2 + 4x dx (5). x3 + 10 dx (6). Find the exact value of the definite integral by geometry. 2x + 5 dx