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Curves: reciprocal
Choose values for a and b and observe the values of

y = a/x+b

a = b =          
x -5 -4 -3 -2 -1 0 1 2 3 4 5
a/x
a/x+b
                   

Why does the table show either "NaN" or "Infinity" when x=0?


Here is a plot of some points from a reciprocal equation.

a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
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