Find the Jacobian of the Transformation $x = u ^ { 2 }$

Multiple Choice

Find the Jacobian of the transformation $x = u ^ { 2 }$ , $y = v ^ { 3 }$ , when $u = \frac { 1 } { 2 }$ and v = 1.

A) 1
B) 2
C) 3
D) 6
E) -1
F) -2
G) -3
H) -6