So whats the question?:) The minimum value of this graph is -5, -28. I graphed it to be sure as well.
Answer:
52 factorial is 52*51*...*1, so a really big number. Google says 8.0658175e+67.
A trapezoid midsegment connects the midpoints of the two congruent sides of the trapezoid, and is parallel to the pair of parallel sides. The length of the midsegment is the sum of the two bases divided by 2. Remember that the bases of a trapezoid are the two parallel sides.