1)   Let T(u,v) = (5u+8v, u +v) be a map from the uv plane to the xy plane. Describe the image of the line  v = 4u under T in slope intecept form

y = ?

2)   Compute the Jacobian of: T(u,v) = (-(9u+3v), 9u-v)

Jac = ?