A very useful cousin of a function is called the function’s inverse. Do you remember a special type of function called a one-to-one function? Well, what made it special? First of all, every element in the domain was paired with a unique element in the range. That’s what made it a function, period. What makes…

# Tag: function

## Composite Functions

– WELCOME TO A VIDEO ON COMPOSITE FUNCTIONS. A COMPOSITE FUNCTION CAN BE THOUGHT OF AS A COMBINATION OF TWO FUNCTIONS. ONE WAY TO ILLUSTRATE THIS WOULD BE TO USE A CONVEYOR BELT WHERE WE HAVE AN INITIAL INPUT OF, LET’S SAY, 3, ONE WAY TO ILLUSTRATE THIS WOULD BE TO USE A CONVEYOR BELT…

## Python Tutorial – Map and Lambda Function

Hello guys and welcome to Python programming tutorials by Amuls Academy. Today in this tutorial we are discussing about the lambda function and map function. First we will begin with the lambda function, lambda functions are nothing but these are the functions which are defined without a name, that’s why it is also called as…

## Excel 2013: Functions

Functions are a great time-saving option for calculating data in your worksheet. They can be used in place of formulas when a formula would be too long, or just too complicated to write out manually. To access the function library, go to the Formulas tab on the Ribbon. Here, you’ll find hundreds of functions to…

## Graphing Functions and Their Derivatives

Professor Dave here, let’s get back to graphing. I’m sure you got enough of graphing when we learned algebra, but we need to expand our abilities now that we understand differentiation. First, as we recall, the derivative of a function at a particular point is equal to the rate of change in the function at…

## Turning Points and X Intercepts of a Polynomial Function

– WELCOME TO A LESSON ON THE INTERCEPTS AND TURNING POINTS OF POLYNOMIAL FUNCTIONS. SOMETIMES THESE TOPICS ARE REFERRED TO AS SHORT RUN BEHAVIOR OF POLYNOMIAL FUNCTIONS. SO IF WE’RE GIVEN A POLYNOMIAL FUNCTION OF DEGREE N, IT GIVES US INFORMATION ABOUT THE GRAPH OF THE POLYNOMIAL FUNCTION. THE FUNCTION HAS AT MOST N X…