A solar oven is to be made from an open box with reflective sides. Each box is made from a 30-in by 16-in rectangular sheet of aluminum with squares of length x (in inches) removed from each corner. Then the flaps are folded up to form an open box. 16 in 30 in 16 - 2x Part 1 of 5 (a) Show that the volume of the box is given by V(x) = 4x -92x+480x for 0

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