1. The problem statement, all variables and given/known data Let A be the area of the region that lies under the graph of f(x) = 2x 2 + 5 between x = 0 and x = 4. Find an expression for A using n rectangles. Then evaluate this expression. 2. Relevant equations Answer is 188/3 h= (4/n) 3. The attempt at a solution The problem I am having is I do not know how to simplify this limit further after factoring out the h.