Let's say I setup the equation:(adsbygoogle = window.adsbygoogle || []).push({});

[tex] f(x) = f(x) [/tex]

Now, let's say I add two independent real-valued variables, a and b, to the equation, where either a is a function of b and x or b is a function of a and x, making the statement true at all times:

[tex] f(x) = af(x+b)[/tex]

Finding a' and b' we have:

[tex] a' = -\frac{f'(x+b)f(x)}{f(x+b)^2}[/tex]

[tex] b' = -f^{-1}'(\frac{f(x)}{a})\frac{f(x)}{a}[/tex]

My question is, is there a distinct relationship between a' and b'?

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# Is there a relationship between

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