Brian McLogan
Asymptotes and intercepts of the reciprocal function
👉 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...
Curated Video
CompTIA A+ Certification 220-1001: The Total Course - What is on the CompTIA A+ Core 1 (220-1001) Exam?
In this episode, Mike describes the CompTIA A+ exam process, plus explores a good strategy for prepping for the exam. Schedule the exam first! The pressure will have you hitting the books or videos in no time! This clip is from the...
Brian McLogan
Learn how to write the domain of a radical function
👉 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...
Brian McLogan
Evaluating the composition of Functions
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Brian McLogan
How to determine the domain of a rational function
👉 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...
Brian McLogan
Exam Review Determine which function is undefined
Exam Review Determine which function is undefined
Brian McLogan
Finding the Domain of the Composition of Two Fuctions Including the Cube Root
Learn how to compose two functions where one or both of those functions is/are radical. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...
Brian McLogan
Find the domain of the reciprocal function
👉 Learn how to graph the reciprocal function. A reciprocal function is a rational function whose expression of the variable is in the denominator. A reciprocal function is of the form f(x) = a / (x + h) + k, where h is the vertical...
Curated Video
Elasticsearch 7 and Elastic Stack - In Depth and Hands On! - Amazon Elasticsearch Service, Part 2
This is the second part of the two-part video that explains the functions of Amazon Elasticsearch Service. This clip is from the chapter "Elasticsearch in the Cloud" of the series "Elasticsearch 7 and Elastic Stack - In Depth and Hands...
Brian McLogan
How to evaluate for the composition of the tangent and cosine
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Brian McLogan
How to find the angle given the inverse of tangent
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Brian McLogan
Evaluate Inverse Cos at One
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Brian McLogan
What is the Domain Range and Vertical Asymptote of Cotangent
👉 Learn the basics of graphing a tangent and a cotangent function. To plot the tangent and the cotangent graph we choose a set of points and form a table of values with which we plot the points on the x-y coordinate axis to obtain the...
Brian McLogan
Identify the transformations of sine
👉 Learn how to graph a sine function. To graph a sine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the...
Brian McLogan
Identify the Reflections, Period and Domain of the Cotangent Function
👉 Learn how to graph a cotangent function. To graph a cotangent function, we first determine the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the parent function), the vertical shift...
Brian McLogan
Learning to graph a logarithm step by step by applying transformations
👉 Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Brian McLogan
How to write the inverse of a function when it is a fraction
👉 Learn how to find the inverse of a rational function. A rational function is a function that has an expression in the numerator and the denominator of the function. The inverse of a function is a function that reverses the "effect" of...
Brian McLogan
Learn how to identify the discontinuities as removable or non removable
👉 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...
Brian McLogan
Learn How To Evaluate the Composition of Two Functions and Evaluate for a Value
Learn how to compose two linear functions. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of one of the functions with the value of the...
Brian McLogan
Composition of Two Functions then Determine the Domain
Learn how to compose two functions where one or both of those functions is/are radical. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...
Curated Video
World of Computer Networking Your CCNA start - Need for Domain Names
This video explains the need for domain names. This clip is from the chapter "Dynamic Host Configuration Protocol (DHCP) and Domain Name System (DNS)" of the series "World of Computer Networking: Your CCNA start".This section introduces...
Curated Video
World of Computer Networking Your CCNA start - Analyzing a Domain Name System (DNS) Query and Response
This video demonstrates how to analyze a DNS query and response. This clip is from the chapter "Dynamic Host Configuration Protocol (DHCP) and Domain Name System (DNS)" of the series "World of Computer Networking: Your CCNA start".This...
Curated Video
World of Computer Networking Your CCNA start - Domain Name System (DNS) in a Nutshell
This video presents an overview of DNS. This clip is from the chapter "Dynamic Host Configuration Protocol (DHCP) and Domain Name System (DNS)" of the series "World of Computer Networking: Your CCNA start".This section introduces you to...
Brian McLogan
Factoring out a negative 1 to complete the square and graph your parabola
👉 Learn how to graph quadratic equations by completeing the square. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which...