# Application Of Differentiation

## Overview

Welcome to the course material on the Application of Differentiation in General Mathematics. This topic delves into the practical use of differentiation, a fundamental concept in calculus, to solve various problems involving rate of change, maxima and minima. Differentiation enables us to analyze how a function changes as its input changes, allowing us to determine critical points, where the function reaches its maximum or minimum values.

One of the key objectives of this topic is to equip you with the skills to solve real-world problems that involve finding rates of change. For example, in physics, differentiation is used to calculate the velocity and acceleration of an object by analyzing its position function with respect to time. By understanding the concept of rate of change, you will be able to tackle optimization problems efficiently.

Furthermore, through the study of differentiation of explicit algebraic and simple trigonometrical functions such as sine, cosine, and tangent, you will learn how to find the slopes of curves at any given point. This enables you to determine the rate at which a quantity is changing at a specific instant, a vital skill in various fields such as economics, engineering, and biology.

As we explore the topic of maxima and minima, you will discover how to identify points where a function attains its highest (maxima) and lowest (minima) values. Understanding these critical points is essential for optimizing processes and resources in practical scenarios, such as maximizing profit or minimizing costs in business applications.

Throughout this course, you will engage with problems that require the application of differentiation to analyze and solve real-world situations. By mastering the principles of rate of change, maxima, and minima, you will develop a strong foundation in calculus that can be applied across various disciplines. Get ready to embark on a journey that enhances your problem-solving skills and analytical thinking through the Application of Differentiation!

## Objectives

1. Calculate the rate of change using differentiation
2. Understand the concept of differentiation
3. Apply differentiation to solve problems in real-life situations
4. Determine maxima and minima of functions using differentiation

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## Lesson Evaluation

Congratulations on completing the lesson on Application Of Differentiation. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.

You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.

Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.

1. A function f(x) = 3x^2 - 6x + 2 is given. Find the rate of change of f(x) at x = 2. A. 5 B. 7 C. 9 D. 11 Answer: B. 7
2. The function g(x) = 4x^3 - 2x^2 + 5x - 1 represents the profit made by a company at time x. Find the maximum profit. A. 10 B. 15 C. 20 D. 25 Answer: C. 20
3. Given h(x) = 2x^4 + 6x^3 - 4x^2, find the point of inflection. A. (-1, -4) B. (0, 0) C. (1, 4) D. (2, 2) Answer: B. (0, 0)
4. The function y(x) = 6x^2 + 4x - 3 represents the height of a ball thrown in the air. Find the maximum height the ball reaches. A. 10 B. 15 C. 20 D. 25 Answer: D. 25
5. If f(x) = 5x^3 - 2x^2 + 3x + 2, find the local minimum of the function. A. -5 B. -2 C. 1 D. 5 Answer: A. -5

## Past Questions

Wondering what past questions for this topic looks like? Here are a number of questions about Application Of Differentiation from previous years

Question 1

Given that sin (5x-28)° = cos (3x-50)", 0°≤ x ≤ 90°, find the value of x.

Question 1

The area A of a circle is increasing at a constant rate of 1.5 cm2s-1. Find, to 3 significant figures, the rate at which the radius r of the circle is increasing when the area of the circle is 2 cm2.

Practice a number of Application Of Differentiation past questions