For the vectors u=(:0,-2,2:) and v=(:0,1,1:), evaluate the following expressions:

a. 3u+4v
b. 2u-v
c. |u+2v|
Simplify your answers.
Which of the following expressions evaluates to 1?

A) 3u+4v
B) 2u-v
C) |u+2v|
D) None of the above