Please help I don’t know this question .

Use the function nest to evaluate p(x) = 1 + x + · · · + x50 at x = 1.00001. (use the matlab ones command to save typing.) find the error of the computation by comparing with the equivalent expression q(x) = (x51 − 1)/(x − 1).

Which equation matches the graph shown ?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges