Question: 2. [2 points each] Suppose that 71 : R - R and T2 : Rm - RP are linear transforma- tions. (a) If 7, and

2. [2 points each] Suppose that 71 : R" - R" and T2 : Rm - RP are linear transforma- tions. (a) If 7, and 72 are injective, then 72 0 7, is injective. (b) If 7, and 72 are surjetive, then T2 0 7, is surjective. (c) If 71 and 72 are invertible, then To T, is invertible

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