1)
1 answer:
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1. option 1
2. option 1
3. option 4
4. option 1
5. option c
explanation is in picture attached.
excuse me.for my bad handwriting
Check the picture below.
notice, the dashed line is the "continuation" of the graph, however, for the constraints in the piece-wise, is excluded.
notice, the dashed line is the "continuation" of the graph, however, for the constraints in the piece-wise, is excluded.