Question: 7. Use matrices to stretch the vector by 50 a reflection across the y-axis, a horizontal stretch by 3, and a vertical stretch by 4.

7. Use matrices to stretch the vector by 50 a reflection across the y-axis, a horizontal stretch by 3, and a vertical stretch by 4. 10. True or False? The transformation matrix [ O 1 will stretch a vector vertically by a factor of 5

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