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Professor Dave Explains
Transforming Algebraic Functions: Shifting, Stretching, and Reflecting
The easy way to apply basic transformations to algebraic functions.
Curated Video
How to Reflect Linear Functions
In this video lesson we will learn how to reflect a linear function. We will also learn how to identify a reflection using a graph and how to represent a linear reflection using function notation. We will discover that a linear...
Brian McLogan
Evaluate the left, right and general limit of a piecewise function
👉 Learn all about the Limit. In this playlist, we will explore how to evaluate the limit of an equation, piecewise function, table and graph. We will explore continuity as well as discontinuities such as holes, asymptotes and jumps and...
Brian McLogan
Function notation
👉 Learn about every thing you need to know to understand the domain and range of functions. We will look at functions represented as equations, tables, mapping, and ordered pairs. The domain is the set of all possible x or input values...
Brian McLogan
Overview of functions - Online Math - What are functions
👉 Learn about every thing you need to know to understand the domain and range of functions. We will look at functions represented as equations, tables, mapping, and ordered pairs. The domain is the set of all possible x or input values...
Curated Video
Which Function Rule Represents the Table? | HS.F-LE.A.2
In this Algebra 1 video, students quickly analyze a table of values and four possible functions to determine which function best represents the data. We begin by noticing the domain increases by 1 each time, but the range does not have a...
Curated Video
Compare Two Functions by Analyzing an Equation and a Table
In this video, the teacher explains how to compare functions using equations and tables. They emphasize the importance of understanding the different representations of functions and how to calculate the constant rate of change. They...
Brian McLogan
Determine if the equation represents a function
👉 Learn how to determine whether relations such as equations, graphs, ordered pairs, mapping and tables represent a function. A function is defined as a rule which assigns an input to a unique output. Hence, one major requirement of a...
Curated Video
Graphing Absolute Value Functions Using Transformations
In this lesson, we learned how to graph absolute value functions by using transformations. We reviewed the concept of absolute value as the distance from zero on a number line and how it can be represented algebraically. We also explored...
Brian McLogan
How to determine the domain and range of a function from a table
👉 functions are the possible output values (y-values) of the function. To find the domain of a function from a table we list out the set of the input values and for the range we list out the set of output values. To find the domain and...
Brian McLogan
Learn how to determine the domain and range from a table and from a graph
👉 functions are the possible output values (y-values) of the function. To find the domain of a function from a table we list out the set of the input values and for the range we list out the set of output values. To find the domain and...
Brian McLogan
BEST explanation how to determine domain algebraically
👉 Learn about every thing you need to know to understand the domain and range of functions. We will look at functions represented as equations, tables, mapping, and ordered pairs. The domain is the set of all possible x or input values...
Brian McLogan
Using the vertical line test to determine if a graph is a function or not
👉 Learn how to determine whether relations such as equations, graphs, ordered pairs, mapping and tables represent a function. A function is defined as a rule which assigns an input to a unique output. Hence, one major requirement of a...
Curated Video
Comparing Linear, Exponential and Quadratic Functions
This lesson will cover the patterns of linear, exponential and quadratic functions and review how to determine what type a function from a table of values. We will also review how to write a function rule/equation for a pattern from a...
Curated Video
Identifying Function Properties Using Algebra and Real-World Examples
In this lesson, students will learn how to determine whether relations are functions by using the vertical line test and analyzing algebraic equations. They will understand that not all equations are functions, and that it is important...
Brian McLogan
Learn how to use Descartes rule of signs and the fundamental theorem of algebra
👉 Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...
Brian McLogan
Using transformations and a table to graph absolute value equations
👉 Learn how to graph absolute value equations when we have a value of b other than 1. B will affect our horizontal shift as well as horizontal stretch compress. We will do this by first identifying the axis of symmetry and using a table...
Curated Video
Graphing Linear Functions in Slope-Intercept Form
In this video, we learn how to graph linear functions in slope intercept form. The teacher explains how to find the slope, y-intercept, and x-intercept of a line, and provides examples of how to graph a line using function notation and a...
Brian McLogan
How to find the horizontal shift when there is a compression of a function
👉 Learn how to graph absolute value equations when we have a value of b other than 1. B will affect our horizontal shift as well as horizontal stretch compress. We will do this by first identifying the axis of symmetry and using a table...
Brian McLogan
Determining the domain and range from a table of values - Free Math Help
In this video series I show you how to find the domain and range from a table, graph, or relation as a set of mapping. The domain is the set of all input values where the range is the set of all output variables.
Brian McLogan
How to Graph a Quadratic Piecewise Function
👉 Learn how to graph piecewise functions. A piecewise function is a function which have more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Brian McLogan
Graphing Piecewise Functions
👉 Learn how to graph piecewise functions. A piecewise function is a function which have more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Curated Video
Representing Linear Functions with Graphs: Discrete vs Continuous Domains
In this video, the teacher explains how to represent linear functions with graphs using discrete and continuous data. They also discuss how to determine if a data set is discrete or continuous and provide real-life examples to illustrate...
Brian McLogan
How to determine if a function y varies directly with x from a table
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...