Math 22 Differentials and Marginal Analysis

Differentials

 Let $y=f(x)$ represent a differentiable function. The differential of $x</math(denotedby<math>dx$)
 is any nonzero real number. The differential of $y$ (denoted by ) is Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle dy=f'(x) dx}
.

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