(a) Determine if the transformation defined by each of the following standard matrices is injective and/or surjective. i. 1 0 1 1 3 0 2 NLON 4 -2 14 3 11 6 ii. 1 0 -1 221 -4 1 −1 -3 20 -1 -5 0 -1 -3 iii. iv. -2 1520 -4 троф 403 0 0 -2 1 3 1 -2 3 0 -5 1 -2 4 0 -5 -2 4 -4 -4 -1 (b) Which of the above transformations was bijective?

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