https://webwork.pcc.edu WeBWorK Editor using host: https://webwork.pcc.edu, format: simple seed: 1

Let [math] and [math].
Find the following functions, and simplify each as much as possible:
your final answer should be a polynomial with only one term in
each power of [math].

(a) [math]

(b) [math]

(c) [math]

(d) [math] (For part (d), you need not simplify as you did in (a)-(c).)