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Find a 3x3 matrix that performs the 2D transformation in homogeneous coordinates: a) Reflects across the...

Find a 3x3 matrix that performs the 2D transformation in homogeneous coordinates:

a) Reflects across the y-axis and then translates up 4 and right 3.

b) Dilate so that every point is twice as far from the point (-2,-1) in both the x direction and the y direction.

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