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Hello everyone i'm not looking for someoene to tell me the answer, but i'm really confused on how you can tell if somthing is a linear stransformation or not? I'm not understand what operations i'm suppose to go through to find this out, any help would be great! thanks!

The image is above which explains the problem!

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# Homework Help: Which of the folllowing transformations are linear? how can u tell?

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