- Calculus is the study of change.
- The study of how to quantify the change one variable experiences based on the change in another, related variable.
- In mathematics, we express how two different variables are related using functions, for example ... `y=f(x)=3x^2 +1`
- In mathematics, we quantify the relationship between the changes in two variables using fractions, for example ... `text(the change in y)/text(the change in x)`
- The value of this fraction tells you how the change in `y` relates to the change in `x`. `x` is the independent variable here so it's value is changing and causing the value of `y` to change.

Motion, electricity, heat, light, harmonics, acoustics, astronomy, dynamics, radioactive decay, birth and death rates, maximizing profits or revenue, minimizing cost, price elasticity of demand

- Recognize and understand various business and economic terms
- Create and evaluate mathematical models for real-life situations

- Review necessary material on functions
- Review necessary material on slope
- Introduce necessary business terms: Cost, Revenue, Profit

Chapter 1 of this book is essentially all material that you are expected to know before taking this course. My experience with teaching this course is that it is time well spent for me to review some of this material during the first two classes. I will focus on Section 1.8 mostly but will also touch on Section 1.6. I'm assuming you already know the following:

- Function notation
- Linear, quadratic, and cubic functions and how to ascertain general characteristics of these functions from their equations
- Polynomials
- What the slope of a line is and what it tells you about the line (i.e., the linear relationsihp)
- Cost, revenue, and profit and their mathematical relationships

This is all in Chapter 1 of the text so if you need to review this material, you can find the information you need there.

`f(x)` tells you that `f` is a function, ` ... (More)

This section of my website will be specific to a course I teach at Harford Community College, Math 212, *Calculus with Applications*. The textbook used for this course is: Essential Calculus, 2nd Ed, by Wright, Hurd, & New..

My intent is to post the material I present during the course so that my students can have access to it during the course as a reference and learning aid. I will also provide additional comments beyond just ... (More)

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