1. Corners are cut from a 30 cm by 20 cm piece of cardboard. The volume is V(x) = x(30 - 2x)(20- 2x) with height x. %3D a) Calculate the volume when the height is 2 cm. b) Calculate the dimensions of a box with a volume of 1000 cm. c) Solve V(x) >0 and discuss the meaning in the context of the question.

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