Optimization Problems (Calculus Fun)

At what price should the manufacturer sell the earrings to maximize profit? 6. Two sides of a triangle are 4 inches long. What should the angle between these sides be to make the area of the triangle as large as possible? 7. A dune buggy is on the desert at a point A located 40 km from a point B, which lies on a long, straight road. ................
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