Let f be a real valued function continuous in the interval $(x, x_{1}) \subseteq D_{f}$ ( the domain of f) , then $\frac{f(x_{1})-f(x)}{x_{1}-x}$ represents:
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Sep 18, 2022
Let f be a real valued function continuous in the interval $(x, x_{1}) \subseteq D_{f}$ ( the domain of f) , then $\frac{f(x_{1})-f(x)}{x_{1}-x}$ represents: