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For y=f(x)y=f(x)y=f(x), the gradient at x=ax=ax=a is [...]\text{[...]}[...].
A
Negative to positive.
B
For y=f(x)y=f(x)y=f(x), the gradient at x=ax=ax=a is f′(a)\boxed{f'(a)}f′(a).
C
At a stationary point, f′′(a)<0f''(a)<0f′′(a)<0 indicates a local maximum, while f′′(a)>0f''(a)>0f′′(a)>0 indicates a local minimum.
D
y=−15x+215y=-\frac{1}{5}x+\frac{21}{5}y=−51x+521
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1.10.3 Applications of differentiation Flashcards
21 flashcards on AQA A Level Maths 1.10.3 Applications of differentiation: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.