The parameterization is already given to you, you just need to determine the domain for each parameter. [tex]z^2+x^2=1[/tex] is a cylinder that lies on the [tex]y[/tex]-axis with radius 1. You need to take [tex]0\le v\le2\pi[/tex] to get the entire lateral face, and [tex]-17\le u\le7[/tex].