Question

1. 3

   The following is from page 26 in the eighth-grade textbook MathScape, Family Portraits. A farmer has 32 meters of fencing material and wants to fence off a rectangular pen for his animals. One side of the pen must lie along a creek, and this side does not require fencing. What length along the creek results in a pen with the greatest area for the animals? (Use calculus to answer the question.)

Answer 1