Instructional Video13:06
Why U

Algebra 91 - Rational Functions and Vertical Asymptotes

12th - Higher Ed
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...
Instructional Video10:21
Brian McLogan

How to evaluate the limit to infinity of a rational function

12th - Higher Ed
👉 Learn how to evaluate the limit of a function involving rational expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The...
Instructional Video2:15
Brian McLogan

Evaluate the limit to infinity with ha asymptote

12th - Higher Ed
👉 Learn how to evaluate the limit of a function involving rational expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The...
Instructional Video4:56
Brian McLogan

Given rational function find the vertical asymptote and hole

12th - Higher Ed
👉 Learn how to find the removable and non-removable discontinuity of a function. A function is said to be discontinuous at a point when there is a gap in the graph of the function at that point. A discontinuity is said to be removable...
Instructional Video13:11
Brian McLogan

Characteristics of functions

12th - Higher Ed
👉 Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
Instructional Video3:37
Brian McLogan

How to find the domain of a rational function - domain and range

12th - Higher Ed
👉 Learn how to find the domain of rational functions. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero. Thus, to find the domain...
Instructional Video21:16
Brian McLogan

Characteristics of functions

12th - Higher Ed
👉 Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
Instructional Video7:21
Curated Video

Graphing Shifted Exponential and Logarithmic Functions

K - 5th
In this lesson, students will learn how to graph shifted exponential and logarithmic functions by considering the spread of an Internet video. They will understand how changing the base affects the rate of growth or decay, and how...
Instructional Video13:39
Brian McLogan

Finding the implied domain of a function

12th - Higher Ed
👉 Learn how to find the domain of a radical function. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a radical square-root function, there cannot be a negative number inside the...
Instructional Video20:47
Brian McLogan

Characteristics of functions

12th - Higher Ed
👉 Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
Instructional Video6:01
Brian McLogan

Identify the transformations, domain and range of the reciprocal function

12th - Higher Ed
👉 Learn how to identify transformations of functions. Transformation of a function involves alterations to the graph of the parent function. The transformations can be dilations, translations (shifts), reflection, stretches, shrinks,...
Instructional Video3:23
Brian McLogan

How to find the implied domain of a function

12th - Higher Ed
👉 Learn how to find the domain of rational functions with a radical numerator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero...
Instructional Video3:15
Brian McLogan

Are endpoints of a graph discontinuities?

12th - Higher Ed
👉 Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
Instructional Video1:00:25
Brian McLogan

Graph Trigonometric Functions | Trigonometry | Pre-Calculus

12th - Higher Ed
In this video I will cover how to graph the sine, cosine and tangent function. We will first explore where these graphs come from using the unit circle and then move into the characteristics of the graphs such as period, amplitude, phase...
Instructional Video3:08
Brian McLogan

Graph piecewise functions logarithmic and reciprocal

12th - Higher Ed
👉 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...
Instructional Video42:46
Brian McLogan

Cram For Your Exponential and Logarithmic Function Test

12th - Higher Ed
In this video we will study everything you need to know for exponential and logarithmic functions. We will begin by graphing and then move into simplifying expressions and solving.
Instructional Video3:52
Brian McLogan

Find the Horizontal Vertical asymptote with intercepts

12th - Higher Ed
👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but...
Instructional Video1:57
Brian McLogan

Finding the vertical, horizontal and slant asymptotes of a rational function

12th - Higher Ed
👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but...
Instructional Video13:11
Brian McLogan

Overview of Piecewise functions

12th - Higher Ed
👉 Learn how to graph piecewise functions. A piecewise function is a function that has 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...
Instructional Video2:50:07
Brian McLogan

Full Lesson: Rational Functions

12th - Higher Ed
In this video series you will learn how to graph a system of linear inequalities. When graphing a system of linear inequalities you will graph just like a system of linear equations except you will use test points to shade.
Instructional Video2:14
Brian McLogan

Learn how to evaluate the limits at infinity with asymptotes on a graph

12th - Higher Ed
👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When...
Instructional Video8:14
Brian McLogan

Find the x and y intercepts of a rational function

12th - Higher Ed
👉 Learn how to find the x and y-intercepts of a rational function. The x-intercept(s) of a function occurs when y = 0 and the y-intercept(s) of a function occurs when x = 0. To find the y-intercept of a function, we plug in zero for x...
Instructional Video10:36
Brian McLogan

How do you find the vertical and horizontal asymptotes of a rational function

12th - Higher Ed
👉 Learn all about asymptotes of a rational function. A rational function is a function, having a variable in the denominator. An asymptote is a line that the graph of a function approaches but never touches. There are the vertical, the...
Instructional Video6:54
Curated Video

Graphing Exponential and Logarithmic Functions

K - 5th
In this lesson, students will learn how to graph exponential and logarithmic functions with a stretch or reflection by considering the effects of caffeine in the body. They will understand the basic characteristics of these functions,...