I'm in AP calculus AB and I really need help with these questions . I would gladly appreciate if you show step by steps so I understand. If work doesn't fit in the paper you can write it on a separate blank sheet. Thank you for all that you do.

Assignment 2: Section 5.1 Midpoint and Trapezoidal Approximation Use four subdivisions of equal width to sketch and find the area under the curve of the given function using a) the midpoint approximation and b) trapezoidal approximation. 1. f(x) = x3 ; [0,2] a) ib ) 2. f (x) = cosx ; 0," a ) [ b) 3 0 .5 1.5 2 2.5 3 3.5 4 f( x) 0 0.3 0.8 1.7 3.5 4.0 3.8 2.6 1.2 a) b)