Match each function to its derivative. (Marked out of 2 points) (All correct = 2 points) (At least 3 correct = 1 point) (At most 2 correct = 0.5 points) y = ex 1. y = xe. y/= 1-x ex 2. y = ex y/= - 3 . y = * y!= ex (1 + ac) 4. y = ex yl= 2xex2 5. y = ex2