MTH 31 199 (8) Evaluate the following definite integrals: . 1 2 (25 + 23) 2 dac . S ( Vx5 + x7 ) da . L sec ( 0 ) ( sec ( 0 ) + 3 tan ( 0 ) ) do . So (2 2 + 3 ) 2 du . J_x /2 (12 sin(t) ) dt . ST /2 (sin (t) ) dt . J-/2 | sin (t) | dt (25 + x7 ) dx (9) The acceleration function in km/sec is a(t) = 3t + 7 where time t is in seconds, and 0