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Not your average video:
Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.
Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.
Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.
Function Theory
Watch comprehensive video reviews for Function Theory, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.
Not your average video:
Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.
Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.
Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.
Not your average video:
Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.
Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.
Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.
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SL Core 2.4
A curve has a local maxima or minima when the curve changes y-direction.
The global maxima and minima are the overall maximum or minimum points on the curve.
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Example
Find the coordinates of the maxima and minima of the function f(x)=3x3−2x.
Using a calculator:
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So the maxima is at (−0.471,1.63) and the minima is at (0.471,0.371).
SL Core 2.4
A curve has a local maxima or minima when the curve changes y-direction.
The global maxima and minima are the overall maximum or minimum points on the curve.
Powered by Desmos
Example
Find the coordinates of the maxima and minima of the function f(x)=3x3−2x.
Using a calculator:
Powered by Desmos
So the maxima is at (−0.471,1.63) and the minima is at (0.471,0.371).