WebJan 4, 2024 · 2 Answers. Sorted by: 21. To show that f is differentiable at all x ∈ R, we must show that f ′ ( x) exists at all x ∈ R. Recall that f is differentiable at x if lim h → 0 f … WebIn order for 𝑓(𝑥) to be differentiable at 𝑥 = 𝑐 the function must first of all be defined for 𝑥 = 𝑐, and since differentiability is a prerequisite for the proof we thereby know that 𝑓(𝑐) is indeed a constant, and so

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WebIf you are dealing with compound functions, use the chain rule. Is there a calculator for derivatives? Symbolab is the best derivative calculator, solving first derivatives, second derivatives, higher order derivatives, derivative at a point, partial derivatives, implicit derivatives, derivatives using definition, and more. ... WebQuestion 1 : Determine whether the following function is differentiable at the indicated values. (i) f (x) = x x at x = 0 Solution : f (x) = x x If x < 0, then f (x) = x (-x) = -x2 If x … the place value system

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WebAug 22, 2015 · First one f is the ratio of two differentiable functions, the denominator one not vanishing in the neighborhood of the origin. Hence f is differentiable at the origin. Second one Using a theorem stating that if f is continuous in an open set U and has continuous partial derivatives in U then f is continuously differentiable at all points in U. WebA function f is differentiable at a point c if exists. Similarly, f is differentiable on an open interval (a, b) if ... Determine the interval(s) on which the following functions are continuous and the interval(s) on which they are differentiable. 1) Toggle answer WebChoose 1 answer: Continuous but not differentiable. A. Continuous but not differentiable. Differentiable but not continuous. B. Differentiable but not continuous. Both continuous and differentiable. C. the place was shaken kjv