.1b) The nth term of a sequence is given by n2 + 2n. Write down the fourth term of this sequence.

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).

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81