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Applications of Derivatives - Optimization, Graph Sketching, Linear Approximation, Related Rates, and Physics Applications

Krista King via YouTube

Overview

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Master the practical applications of derivatives through comprehensive coverage of optimization problems, graph analysis, and real-world modeling scenarios. Explore linear approximation techniques for estimating function values and roots, then delve into optimization strategies including finding critical points, determining intervals of increase and decrease, and identifying inflection points and concavity. Learn to apply the first and second derivative tests to locate maxima and minima, discover methods for finding vertical, horizontal, and slant asymptotes, and develop skills in complete graph sketching. Tackle diverse optimization challenges such as maximizing areas and volumes of geometric shapes, minimizing surface areas and perimeters, and solving complex problems involving rectangles inscribed in triangles and semicircles, cylinders and cones inscribed in spheres, and boxes with various constraints. Study related rates problems including expanding balloons, sliding ladders, moving objects, and changing water levels in tanks. Examine fundamental derivative theorems including the Mean Value Theorem, Rolle's Theorem, and Newton's Method for finding roots, plus master L'Hôpital's Rule for evaluating limits. Apply derivatives to physics problems involving position functions, particle motion, instantaneous velocity, projectile motion, and vertical motion scenarios. Conclude with economics applications covering marginal cost, revenue, and profit analysis to understand how calculus applies to business and economic modeling.

Syllabus

Linear approximation
ESTIMATE THE ROOT with linear approximation (KristaKingMath)
Linearization of a function at a point (KristaKingMath)
Optimization - Calculus (KristaKingMath)
How to find CRITICAL POINTS (KristaKingMath)
Where is the function INCREASING AND DECREASING?! (KristaKingMath)
INFLECTION POINTS and CONCAVITY (KristaKingMath)
FIRST DERIVATIVE TEST to find the max and min (KristaKingMath)
How to use the SECOND DERIVATIVE TEST (KristaKingMath)
How to find VERTICAL ASYMPTOTES!! (KristaKingMath)
How to find HORIZONTAL ASYMPTOTES (KristaKingMath)
How to find SLANT ASYMPTOTES (KristaKingMath)
All about GRAPH SKETCHING!! (KristaKingMath)
Maxima and minima on a CLOSED interval (KristaKingMath)
Dimensions that maximize the area of the rectangle (KristaKingMath)
OPTIMIZATION: Dimensions that maximize the volume of a cylinder
OPTIMIZATION: Dimensions of a rectangle that minimize its perimeter
OPTIMIZATION: Dimensions that maximize the volume of a box
Dimensions of the rectangle with largest area inscribed in an equilateral triangle (KristaKingMath)
Largest area of a rectangle inscribed in a semicircle (KristaKingMath)
Points on the cone closest to a point (KristaKingMath)
Max volume of a rectangular box inscribed in a sphere (KristaKingMath)
Maximum volume of a cone shaped cup (KristaKingMath)
Largest possible volume of a cylinder inscribed in a sphere (KristaKingMath)
Dimensions that minimize the surface area of a cylinder (KristaKingMath)
OPTIMIZATION: Dimensions that minimize page size with a given printed area
OPTIMIZATION: Dimensions that minimize the surface area of an open top box
OPEN-TOP BOX?!! How to find the smallest possible surface area
OPTIMIZATION: Point on the line closest to another point
Minimizing the product of two real numbers
Finding numbers with the smallest sum of squares
OPTIMIZATION: Production level, sale price that maximize profit
OPTIMIZATION: Sales level that maximizes revenue
OPTIMIZATION: Time when velocity is minimum
Related Rates (KristaKingMath)
RELATED RATES: Radius of the balloon
RELATED RATES: Ladder sliding down the wall
RELATED RATES: Distance between the person and the plane (KristaKingMath)
RELATED RATES: Water level in the tank
RELATED RATES: Price of the product
MEAN VALUE THEOREM (MVT) for derivatives (KristaKingMath)
How to use ROLLE'S THEOREM (KristaKingMath)
How to use NEWTON'S METHOD (KristaKingMath)
How to use L'HOSPITAL'S RULE (KristaKingMath)
POSITION FUNCTION (KristaKingMath)
All about a PARTICLE'S POSITION function (KristaKingMath)
Instantaneous velocity (KristaKingMath)
HOW HIGH CAN YOU THROW THE BALL?!! How fast is it going when it hits the ground?
Dropping a coin from the roof (VERTICAL MOTION!) (KristaKingMath)
How to find MARGINAL COST, REVENUE AND PROFIT (KristaKingMath)

Taught by

Krista King

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