1. Simplify the following expressions. a) dx 3 (t2 + t + 1) dt b) d 10 dz Jx 2 72+1 C ) d In t2 dt dx 2. Evaluate the following integrals using the Fundamental Theorem of Calculus. -100 a ) 2 dt b) V3 dx 1 x2+1 C ) 9 x- x 4 d.x