An open-top box is constructed from a square piece of cardboard with sides of length 9 ft. The volume of such a box is given by , where x is the height of the box. Find the volume of the box if its height is 4 ft. A) 2.5 ft³ B) 3.5 ft³ C) 4 ft³ D) 6 ft³ E) 8.5 ft³

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The Answer of An open-top box is constructed from a square piece of cardboard with sides of length 9 ft. The volume of such a box is given by , where x is the height of the box. Find the volume of the box if its height is 4 ft. A) 2.5 ft³ B) 3.5 ft³ C) 4 ft³ D) 6 ft³ E) 8.5 ft³

An Open-Top Box Is Constructed from a Square Piece of Cardboard