My 3 Week Plant Wat You Guys Think About It???

Here Iz My 3 Weeks Old Plant Is It Growing Healthy nd Right like Its Suppose To Be For Being 3 Weeks??? Nd I Also Transplanted Two Other Plants But They Dieing On Me Should I Throw Them Away Or They Will Grow Again??....

Looks pretty good to me. Maybe a little small, what kind of light is it under? Start using nutrients if you haven't already