QUESTION 1. [34 MARKS] 1.1 Determine whether each of the following mappings T is linear, or not. Justify your answer.
(a) T: R2 - R3, where T(z, y) = (3y, 2x, —y).
(b) T: P1 - R2, where T[p(x)] = [p(0), p(1)].
(c) T: R3 - R2, where T(z, y,z) = (x+1,y+2).
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