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Applications of Derivatives formula sheet

All 15 Applications of Derivatives formulas in CalcRef on one printable page, each with its conditions. Tangent lines, optimization, related rates, and curve sketching.

Applications of Derivatives formula sheet

15 rows · CalcRef · sample of the first 6 rows

Applications of Derivatives
FormulaStatementConditions
Tangent Liney−f(a)=f′(a)(x−a)y - f(a) = f'(a)(x - a)no restriction stated
Normal Liney−f(a)=−1f′(a)(x−a)y - f(a) = -\frac{1}{f'(a)}(x - a)f'(a) ≠ 0.
Critical Pointsf′(c)=0 or f′(c) DNE⇒c is a critical pointf'(c) = 0 \text{ or } f'(c) \text{ DNE} \Rightarrow c \text{ is a critical point}no restriction stated
First Derivative Testf′ changes +→−⇒local max;f′ changes −→+⇒local minf' \text{ changes } + \to - \Rightarrow \text{local max}; \quad f' \text{ changes } - \to + \Rightarrow \text{local min}no restriction stated
Second Derivative Testf′(c)=0:f′′(c)>0⇒local min;f′′(c)<0⇒local maxf'(c) = 0: \quad f''(c) > 0 \Rightarrow \text{local min}; \quad f''(c) < 0 \Rightarrow \text{local max}no restriction stated
Concavityf′′(x)>0⇒concave up;f′′(x)<0⇒concave downf''(x) > 0 \Rightarrow \text{concave up}; \quad f''(x) < 0 \Rightarrow \text{concave down}no restriction stated

The 15 Applications of Derivatives formulas in the CalcRef library, every one of them free to read at /topics/applications-derivatives.

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