If y changes from y = 1 to y = 2 along the curve xy = 1, which of the following is equal to δ (x − y)?
1. 1/2
2. -3/2
3. 1
4. 0

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The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

What is the volume of this container?