Question: In Exercises 1-2, show that T is a linear transformation by finding a matrix that implements the mapping. x1 ,x2,... are not vectors but are

In Exercises 1-2, show that T is a linear transformation by finding a matrix that implements the mapping. x1 ,x2,... are not vectors but are entries in vectors.
1.
T(x1,X2,X3, X4) = (x + 2x2, 0, 2x2 +X4,X2-X4)

2.

In Exercises 1-2, show that T is a linear transformation

T(x1,X2,X3, X4) = (x + 2x2, 0, 2x2 +X4,X2-X4)

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