A polynomial function of degree 6 has roots -1, 4, 2 - sqrt3, and 1+3i. Which of the following is an additional real root?

A. 1
B. -4
C. 2+ sqrt3
D. 1-3i

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters