Brian McLogan
Finding the inverse of a rational function
👉 Learn how to find the inverse of a linear function. A linear function is a function whose highest exponent in the variable(s) is 1. The inverse of a function is a function that reverses the "effect" of the original function. One...
Brian McLogan
How to determine if a piecewise function is continuous or not with limits
👉 Learn how to evaluate the limit of a piecewice function. A piecewise function is a function that has different rules for a different range of values. The limit of a function as the input variable of the function tends to a number/value...
Brian McLogan
Writing the inverse of another function as an inverse function
👉 Learn how to find the inverse of a quadratic function. A quadratic function is a function whose highest exponent in the variable(s) of the function is 2. The inverse of a function is a function that reverses the "effect" of the...
Brian McLogan
Learn how to find the inverse of a rational function
👉 Learn how to find the inverse of a linear function. A linear function is a function whose highest exponent in the variable(s) is 1. The inverse of a function is a function that reverses the "effect" of the original function. One...
Next Animation Studio
Short circuits in magnetosphere cause radiation spots on Earth
Scientists are starting to understand how solar storms use currents in Earth’s magnetic shield to land some punches.
Brian McLogan
How to find the value that makes a piecewise function continuous
👉 Learn how to find the value that makes a function continuos. A function is said to be continous if two conditions are met. They are: the limit of the function exist and that the value of the function at the point of continuity is...
Curated Video
Sketching Cubic Functions with Unfactored Elements
This is a lecture presentation on sketching cubic functions and identifying their intercepts and turning points. The presenter explains the general shape of a cubic function and different factorized forms for cubic functions with one,...
Curated Video
Sketching Cubic Functions: Factorizing and Finding Intercepts
The video lecture focuses on understanding and sketching cubic functions that cannot be completely factorized. The speaker starts by reviewing the general shape of a cubic function and explaining how to identify different factorized...
Brian McLogan
Master how to determine if a function is linear or not
Master how to determine if a function is linear or not
Brian McLogan
Simplify 20 Basic Trigonometric Identities | Analytic Trigonometry | Skills Practice Worksheet
Simplify 20 Basic Trigonometric Identities | Analytic Trigonometry | Skills Practice Worksheet
Brian McLogan
Evaluating a piecewise function for a value
👉 Learn how to evaluate a piecewise function. A piecewise function is a function which uses different rules for different intervals. When evaluating a piecewise function, pay attention to the constraints of each function as you can only...
Brian McLogan
Given a point find the six trigonometric functions of the angle
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Brian McLogan
What you need to know | Rational Functions
In this video I present a set of problems to help prepare for learning about rational functions in precalculus. While rational functions is explored in Algebra 2 I decided to make it a separate unit in precalc based on how many students...
Brian McLogan
Given a point find the six trigonometric functions of the angle
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Brian McLogan
What you need to know | Functions
In this video I walk through some of the basic problems that you will want to know and remember BEFORE entering pre-calculus. "Most" pre-calculus classes start with a chapter or section on functions and while this video does not cover...
Brian McLogan
Find the measure of an angle using three side lengths of a triangles - math help
I show how to solve math problems online during live instruction in class. This is my way of providing free tutoring for the students in my class and for students anywhere in the world. Every video is a short clip that shows exaclty how...
Brian McLogan
Derivative of inverse function given an equation
👉 Learn how to find the derivative of the inverse of a function. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative of a...
Curated Video
Composite functions | Algebra | Maths | FuseSchool
Composite functions In the introduction to functions video, we discovered what functions are, what domain and range mean and how to solve some problems. We saw that they could be called f(x) or g(x) or any letter. In this video, we’re...
TED Talks
Eugenia Cheng: An unexpected tool for understanding inequality: abstract math
How do we make sense of a world that doesn't? By looking in unexpected places, says mathematician Eugenia Cheng. She explains how applying concepts from abstract mathematics to daily life can lead us to a deeper understanding of things...
3Blue1Brown
What does it feel like to invent math?
A journey through infinite sums, p-adic numbers, and what it feels like to invent new math.
Curated Video
Solving Real World Math Problems: Finding the Area of Rectangles
In this video, the teacher explains how to solve real-world math problems by finding the area of a rectangle. The concepts of multiplication, rows, columns, and units are used to determine the area of different shapes.
Curated Video
Determining the End Behavior of Polynomial Functions
This video explains how to determine the end behavior of polynomial functions by identifying the degree of the function. It covers both even and odd degree polynomials, discussing how the left and right sides of the graph behave. The...
Curated Video
Identifying Functions: Real World Examples
Does a gumball machine models a function relation? This video explains the concepts of input and output variables, emphasizing that for a function, each input must have exactly one output. The teacher provides examples and clarifies...