Search for tag: "functions"

10 Media

Domain of a rational function: Excluded values duration 2 minutes 2 seconds Domain of a rational function: Excluded values Domain of a rational function: Excluded values	Domain of a rational function: Excluded values Shows how to find out what values are not defined for a rational function. This ability will be needed when solving rational equations because you may come up with a value that is not valid when… math math emporium rational functioni domain sides values equals function shock words comma computer commas equation times practice squares difference denominator functions side things output From Tom Grant 15 plays 0
Evaluating a rational function: Problem type 1 duration 2 minutes 10 seconds Evaluating a rational function: Problem type 1 Evaluating a rational function: Problem type 1	Evaluating a rational function: Problem type 1 For an equation with f(x) equal to a rational expression, this shows how to write the substitution and simplification when putting in a particular value for x. function evaluate rational expression f(x) times expression answer fifths bottom notation thing fraction ratio result f. functions From Tom Grant 7 plays 0
Identifying solutions to a system of linear… duration 5 minutes 42 seconds Identifying solutions to a system of linear… Identifying solutions to a system of linear equations	Identifying solutions to a system of linear equations This demonstrates testing possible answers to a system of two equations to see whether they are truly answers or not. Note that each answer has to work for both equations, but if it doesn't… math math emporium algebra solution system of equations times ratio equations button mistake checks minus b. buttons synsets thing kind functions linear space track systems solutions spot From Tom Grant 14 plays 0
Finding inputs and outputs of a two-step function… duration 4 minutes 41 seconds Finding inputs and outputs of a two-step function… Finding inputs and outputs of a two-step function that models a real-world situation: Function notation	Finding inputs and outputs of a two-step function that models a real-world situation: Function notation Describes a situation that can be written as a function of the number of weeks a certain amount it saved and the resulting functional value is the amount still needed to be saved to buy something. … math math emporium algebra input output function function notation real-world weeks amount times w. minus place week tony notation blankets lot mistake calculator sides whoops a. functions result skills From Tom Grant 27 plays 0
Variable expressions as inputs of functions:… duration 1 minute 4 seconds Variable expressions as inputs of functions:… Variable expressions as inputs of functions: Problem type 1	Variable expressions as inputs of functions: Problem type 1 Shows how to input an expression in place of the orignial variable input, and then simplify. math math emporium algebra expression input function x. answer church h. age variable functions inputs From Tom Grant 22 plays 0
Evaluating functions: Linear and quadratic or… duration 3 minutes 18 seconds Evaluating functions: Linear and quadratic or… Evaluating functions: Linear and quadratic or cubic	Evaluating functions: Linear and quadratic or cubic Speaks to the meaning of f(x), i.e. function notation. Then demnstrates how to get the value of two different functons given the input value. math math emporium algebra input function output times exponent minus thing result functions lines answer pairs negatives positives multiplication parentheses power cubed equals y. x. From Tom Grant 93 plays 0
Vertical Line Test duration 4 minutes 21 seconds Vertical Line Test Vertical Line Test	Vertical Line Test This demonstrates why and how to use vertical lines to test whether a graph of any relation is a function or not. math math emporium algebra vertical line test vertical line function relation circle point values graph test functions graphs points stops distance From Tom Grant 102 plays 0
Identifying functions from relations duration 3 minutes 45 seconds Identifying functions from relations Identifying functions from relations	Identifying functions from relations Discussion of what relations and functions are and then some exapmles of how to indentify if a particular relation is more specifically a function. math math emporium algebra domain range function relation output input functions uncle relations pairs inputs outputs connections h. c. roster dot pointer arrow arrows From Tom Grant 22 plays 0
Finding Domain and Range for a Relation from a… duration 6 minutes 5 seconds Finding Domain and Range for a Relation from a… Finding Domain and Range for a Relation from a Graph	Finding Domain and Range for a Relation from a Graph This video shows how to determine the domain and range for various relations by looking at a graph of the relation. equation (math) functions and mappings math emporium effects mathematical sciences algebra (mathematics) math mathematics graph (mathematics) From Tom Grant 2,086 plays 0
Graphing Non-Linear Equations, Part 2 duration 4 minutes 45 seconds Graphing Non-Linear Equations, Part 2 Graphing Non-Linear Equations, Part 2	Graphing Non-Linear Equations, Part 2 This video demonstrates how to tabulate ordered pairs in order to graph an absolute value function. math emporium mathematical sciences math equation (math) coordinate system subtraction functions and mappings mathematics spouses negative number graph (mathematics) effects algebra (mathematics) From Tom Grant 1,790 plays 2