Why U
Algebra 92 - Rational Functions and Holes
In the previous lecture, we saw examples of x values that cause a rational function's numerator to be zero, where those x values produce x-axis intercepts in the function's graph. We also saw x values that cause denominator zeros that...
Why U
Algebra 91 - Rational Functions and Vertical Asymptotes
A rational function is any function that can be written as a fraction whose numerator and denominator are polynomials. Rational functions include a broad range of possibilities. For example, since a polynomial can be a constant, a...
Why U
Algebra 89 - Multiplying Polynomial Functions
In the previous lecture we saw how polynomial functions could be added or subtracted, producing new polynomial functions with different characteristics. In this lecture we will see how to multiply polynomial functions and show how the...
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Algebra 88 - Adding and Subtracting Polynomial Functions
Adding polynomial functions produces another polynomial function. The values of this function are the sum of the values of the polynomials that were added for every possible value of the input variable(s). Fortunately, adding polynomial...
Why U
Algebra 86 - Graphing Polynomial Functions - Part 1
Calculators and graphing utilities are available that are capable of creating accurate graphs of polynomial functions. However, it is often desirable to sketch a quick representation of a function's graph to get a general idea of its...
Why U
Algebra 84 - Monomial Building Blocks of Polynomial Functions
A polynomial is a sum of one or more terms called monomials. If we think of each monomial as a separate function, then a polynomial function can be thought of as a sum of these monomial functions. In previous lectures we have studied...
Curated Video
From Cell to System
The video “From Cell to System” discusses how cells work together in the human body to form tissues, organs, organ systems, and organisms.
Curated Video
Domain and Range
“Domain and Range” explains when a relation is a function. The video also describes how to determine the domain and range of a given function.
Curated Video
Determining Non-Function Graphs Using the Vertical Line Test
In this video, the teacher explains how to use the vertical line test to determine if a graph is a function or not. The viewer is presented with four graphs and asked to identify which one is not a function. The teacher demonstrates how...
Science Buddies
How to Use an Arduino
Learning how to use an Arduino is a great way to get started with electronics and programming. This video series will guide you through setting up an Arduino, programming it, and building circuits so you have all the knowledge you need...
Curated Video
Introduction to IT and Cybersecurity: Functional Areas of IT Operations
Part 6/16 of Introduction to IT and Cybersecurity series: The video discusses the various functional areas of an IT department, starting with the basic organizational chart that includes positions such as IT manager, CTO/CIO, application...
Curated Video
Types of organisations: Which one do you belong to?
In this video, the different types of business organizations are discussed. The video explains how knowledge of organizational structures in management is a handy tool for business owners and those seeking to enter the job market. It...
Curated Video
Introduction to IT and Cybersecurity: Business Continuity Planning (BCP)
Part 12/16 of Introduction to IT and Cybersecurity series: The video discusses business continuity planning (BCP) or contingency planning. The video emphasizes the importance of data classification, identifying critical systems that...
Curated Video
Understanding Functions and the Vertical Line Test
In this math video, the teacher explains the concept of functions and demonstrates how to determine if a graph is a function using the vertical line test. The teacher also shows how to identify a non-function in a table of values by...
Curated Video
Spark Programming in Python for Beginners with Apache Spark 3 - Aggregating Dataframes
In this video, we will cover Aggregating Dataframes. This clip is from the chapter "Aggregations in Apache Spark" of the series "Spark Programming in Python for Beginners with Apache Spark 3".In this section, you will learn about...
Curated Video
Modern Web Design with HTML5, CSS3, and JavaScript - Function Scope in JavaScript
This video provides an introduction to the function scope in JavaScript. This clip is from the chapter "JavaScript Introduction" of the series "Modern Web Design with HTML5, CSS3, and JavaScript".This section introduces you to JavaScript.
Curated Video
R Programming for Statistics and Data Science - Dealing with Missing Data in R
This video explains dealing with missing data in R. This clip is from the chapter "Data Frames" of the series "R Programming for Statistics and Data Science".This section explains data frames.
Curated Video
Structural Design Patterns in Modern C++ - Pros and Cons - Facade Design Pattern
This video explains the pros and cons of the Facade pattern. This clip is from the chapter "Facade Design Pattern" of the series "Structural Design Patterns in Modern C++".This section explains the Facade design pattern and teaches you...
Curated Video
Using the Vertical Line Test
In this video, the teacher explains how to use the vertical line test to determine if a graph represents a function or not. They go through four examples and also show how to find a missing value in a table to make it not a function. The...
Curated Video
Structural Design Patterns in Modern C++ - Basic Example - Composite Design Pattern
This video presents a basic implementation example of the composite pattern. This clip is from the chapter "Composite Design Pattern" of the series "Structural Design Patterns in Modern C++".This section focuses on the composite design...
Curated Video
Structural Design Patterns in Modern C++ - Applying Protection Proxy
This video explains how to apply the protection proxy. This clip is from the chapter "Proxy Design Pattern" of the series "Structural Design Patterns in Modern C++".This section focuses on the proxy design pattern.
Curated Video
Identifying Slope and Y-Intercept from a Table
In this video, the teacher explains how to identify the slope and Y intercept of a linear function from a table using a standardized math test question as an example. They demonstrate how to find the slope and Y intercept by analyzing...
Curated Video
R Programming for Statistics and Data Science - Building a Function in R (Basics)
This video explains building a function in R(basics). This clip is from the chapter "The Building Blocks of R" of the series "R Programming for Statistics and Data Science".This section introduces you the building blocks of R.
Curated Video
R Programming for Statistics and Data Science - Data Transformation with R - the Dplyr Package - Part II
This video explains data transformation with R - the Dplyr package - part II. This clip is from the chapter "Manipulating Data" of the series "R Programming for Statistics and Data Science".This section explains manipulating data.