In the attached picture, the equation for the limit I think is:(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\lim_{\Delta x \rightarrow 0} \\\ \frac{f(x+ \Delta x) - f(x)}{\Delta x}[/tex]

When [tex]\Delta x[/tex] approaches 0, why wouldn't the [tex]f(x+ \Delta x)[/tex] approach [tex]f(x)[/tex]? Because as the point Q approaches P, then wouldn't the y value of point Q also approach that of P? Or am I not understanding the concept?

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# Homework Help: Simple limits question

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