Honestly I know it’s a negative so negative -1,5 for the first x and y
In order to calculate that, you have to divide 2 from 36
It would be: 36/2 = 18
In short, Your Answer would be 18
Hope this helps!

<h3><em>i </em><em>hope</em><em> it</em><em> helps</em><em> u</em><em> ☠️</em></h3>
Answer:
See attachment
Step-by-step explanation:
You can obtain any two points on the graph of
and use it to draw its graph.
When x=0, 
So you plot (0,2)
When x=1, 
You again plot (1,-71).
With a straight edge you can now draw a straight line through the two points.
See attachment
It depends on how many hours the sailfish swims