A webassign.net The owner of the Rancho Grande has 2980 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river (see the figure below), what are the dimensions of the largest area he can enclose? Round your answer to two decimal places, if necessary. Let y be the length (in yd) of the side parallel to the straight portion of a river, and x be the length (in yd) of the other side of the rectangular piece of land. X = yd Complete the following parts. (a) Give a function f in the variable x for the quantity to be optimized. f(x) = (b) State the domain of this function. (Enter your answer using interval notation.) (c) Give the formula for y in terms of x.

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