1) A farmer has $9000 to build a rectangular plot that borders a straight river so that she does not need to build a fence along the river. The plot will be divided into 3 sections separated by chain link with the wooden fence around the perimeter. If the chain link cost $5 per foot and the wood fence costs $10 per foot, what are the dimensions of the field that has the largest area? 2) Eric starts running north, away from John, starting at point B at a speed of 1.5 m/ 5. John starts at the same point B and starts running at the same time, west at a speed of 2 m/s. At what rate is the distance changing between them one minute later