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how do i solve this

 May 28, 2018
 #1
avatar+7709 
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When x = 0, y=f(x) is not connected because of a simple hole that could be plugged by adding or moving one point.

When x = 1, y=f(x) is connected and smooth.

When x = 2, y=f(x) is connected and with a corner.

When x = 3, y=f(x) is not connected because of a simple hole that could be plugged by adding or moving one point.

When x = 4, y=f(x) is not connected because of a vertical jump that could not be plugged by moving one point.

When x = 5, y=f(x) is connected and smooth.

When x = 6, y=f(x) is not connected because of a simple hole that could be plugged by adding or moving one point.

 May 28, 2018

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