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Jason

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Brian

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Bruce

College Algebra covers algebraic topics and skills necessary to succeed in college-level math

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Johnny

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Kylia

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Study topics incliding trogonometric functions, identities and equations, solutions of triangles, complex numbers, and other topics as time permits

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Callie

Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors

Precalculus

Nick

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Nutrition

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Dive deep into Python with videos and more.

Introduction to Python

Arianne Dee

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Mariya Breyther

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

Data Analysis - Excel

Chris Sorensen & Ammul Shergill

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George Levy

Learn Enough HTML, CSS and Layout to be Dangerous

HTML, CSS & Layout

Lee Donahoe & Michael Hartl

Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript

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Michael Hartl

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Jared P. Lander

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Mike Moran

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Jeffrey K. Pinto

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Need a solid foundation before calculus? Precalculus concepts like functions, sequences, and limits are clarified to prepare you for success.

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Patrick Ford

0. Fundamental Concepts of Algebra

1. Equations and Inequalities

2. Graphs

3. Functions & Graphs

4. Polynomial Functions

5. Rational Functions

6. Exponential and Logarithmic Functions

7. Measuring Angles

8. Trigonometric Functions on Right Triangles

9. Unit Circle

10. Graphing Trigonometric Functions

11. Inverse Trigonometric Functions and Basic Trig Equations

12. Trigonometric Identities 

13. Non-Right Triangles

14. Vectors

15. Polar Equations

16. Parametric Equations

17. Graphing Complex Numbers

18. Systems of Equations and Matrices

19. Conic Sections

20. Sequences, Series & Induction

21. Combinatorics and Probability

22. Limits & Continuity

23. Intro to Derivatives & Area Under the Curve

Default TOC

Understanding Polynomial Functions

Graphing Polynomial Functions

Introduction to Rational Functions

Asymptotes

Graphing Rational Functions

Introduction to Exponential Functions

Graphing Exponential Functions

The Number e

Introduction to Logarithms

Graphing Logarithmic Functions

Properties of Logarithms

Solving Exponential and Logarithmic Equations

Angles in Standard Position

Coterminal Angles

Complementary and Supplementary Angles

Radians

Trigonometric Functions on Right Triangles

Special Right Triangles

Cofunctions of Complementary Angles

Solving Right Triangles

Defining the Unit Circle

Trigonometric Functions on the Unit Circle

Common Values of Sine, Cosine, & Tangent

Reference Angles

Reciprocal Trigonometric Functions on the Unit Circle

Graphs of the Sine and Cosine Functions

Phase Shifts

Graphs of Secant and Cosecant Functions

Graphs of Tangent and Cotangent Functions

Precalculus Midterm - Part 2 of 2

For the given rational function, find out the equation of the horizontal asymptote (if applicable). f(x) = 5x/(2x2 +7)

For the given rational function, find out the equation of the horizontal asymptote (if applicable). f(x) = 5x/(2x² +7)