Question: Describe or sketch the surface with the given vector function. a. r(u,v)=u+v,3v,1+4u+5v b. r(u,v)=2sinu,3cosu,v c. r(s,t)=s,t,t 2 s 2 d. r(s,t)=s sin 2 t,s 2

Describe or sketch the surface with the given vector function.

a. r(u,v)=u+v,3v,1+4u+5v

b. r(u,v)=2sinu,3cosu,v

c. r(s,t)=s,t,t2s2

d. r(s,t)=s sin2t,s2,s cos2 t

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