Based on the equation,the equation which is not an inverse variation is f(x) = kx
Inverse variation
f(x) = kx
= k × x
f(x) = 2k/x
= k(2/x)
f(x) = -kx/z
= k(-x/z)
Inverse variation is given by:
y = k(1/x)
where,
- k = constant of proportionality
Therefore, f(x) = kx is not an inverse variation.
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