To every linear transformation T from R² to R², there is an associated 2 x 2 matrix. Match the following linear transformations with their associated matrix. 1. Reflection about the a-axis 2. The projection onto the x-axis given by T(x,y)=(x,0) 3. Clockwise rotation by T/2 radians 4. Counter-clockwise rotation by 7/2 radians

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