+0  
 
0
25
3
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help please

 Mar 18, 2020
 #1
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0

There is no scale on the vertical axis, so it's impossible to say.

Could be 0, 1, 2, 3 or 4.

 Mar 18, 2020
 #2
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0

Each sqare is scaled at one

Guest Mar 18, 2020
 #3
avatar+21827 
+1

The graph crosses y= -1   four times           4

 Mar 18, 2020

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