9. [-12 Points] DETAILS SCALCET9 4.7.013. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER A farmer wants to fence an area of 6 million square feet in a rectangular field and then divide it in half with a fence parallel to one of the sides of the rectangle. What should the lengths of the sides of the rectangular field be (in ft) in order to minimize the cost of the fence? smaller value |:l ft larger value I:] ft 11. [-/1 Points] DETAILS SCALCET9 4.7.025. 0/100 Sub MY NOTES ASK YOUR TEACHER Find the point on the line y = 3x + 4 that is closest to the origin. ( x, y) =12. [-11 Points] I DETAILS I SCALCET9 4.7.030. 0/100 Submissions Used 2 2 MY NOTES ASK YOUR TEACHER y Find the area of the largest rectangle that can be inscribed in the ellipse X + _ = 1. a2 b2 14. [-/2 Points] DETAILS SCALCET9 4.7.041. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER The top and bottom margins of a poster are each 12 cm and the side margins are each 8 cm. If the area of printed material on the poster is fixed at 1,536 cm, find the dimensions (in cm) of the poster with the smallest area. 12 8- - 8 - 12 width cm height cm