Béda révisi "Akar kuadrat"

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m (→‎top: Ngarapihkeun éjahan, replaced: konsep → konsép)
The function ''f''(''x'') = √''x'' has the following graph, made up of half a [[parabola]] lying on its side:
[[Gambar:Square_rootGraph of square roots.png]]
The function is continuous for all non-negative ''x'', and [[derivative|differentiable]] for all positive ''x'' (it is not differentiable for ''x''=0 since the [[slope]] of the [[tangent]] there is [[infinite|∞]]). Its derivative is given by