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The correct answer is option 1, ҮҠ can be 4 but not 3.
Let`s analyze each option:
Option 1: ҮҠ can be 4 but not 3.
This option means that ҮҠ can take a maximum value of 4, but it cannot be 3. In other words, when two distinct lines are drawn, they can create a maximum of 4 regions, but they cannot create only 3 regions.
Option 2: ҮҠ can be 4 but not 5.
This option means that ҮҠ can take a maximum value of 4, but it cannot be 5. However, this is incorrect because when two distinct lines are drawn, they can create a maximum of 4 regions, but they cannot create 5 regions. Therefore, this option is incorrect.
Option 3: ҮҠ can be 5 but not 6.
This option means that ҮҠ can take a maximum value of 5, but it cannot be 6. However, when two distinct lines are drawn, they can create a maximum of 4 regions, so it is not possible for ҮҠ