Search for tag: "function"

13 Media

02:02 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 7 plays 0
02:10 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
03:45 Interpreting the graphs of two functions Interpreting the graphs of two functions	Interpreting the graphs of two functions Demonstates how to interpret a graph of a system of functions so that common questions that someone might have can be answered. math math empoirum algebra graph function option miles bucks mile cost drives point crossing boxes tenths options jose questions island outset count amount plank runoff islands From Tom Grant 36 plays 0
02:11 Graphing a function of the form f (x) = ax + b:… Graphing a function of the form f (x) = ax + b: Fractional slope	Graphing a function of the form f (x) = ax + b: Fractional slope Shows how thits form is simply the same as y = mx + b, and then writes the slope and y-intercpt down. It ends with using these to graph the line of points that satisfy this function. math math emporium algebra slope y=intercept graph thirds function point x. form ruler negatives room points times b. thing minus From Tom Grant 32 plays 0
01:39 Finding intercepts of a nonlinear function given… Finding intercepts of a nonlinear function given its graph	Finding intercepts of a nonlinear function given its graph Just showiing how to locate and write down the x-intercepts and y-intecepts when looking at a graph math math emporium algebra x-intercept y=intercept graph intercepts axis direction points point coordinates comma boxes function linear cross From Tom Grant 16 plays 0
01:02 Finding an output of a function from its graph Finding an output of a function from its graph	Finding an output of a function from its graph Simply demonstrates how to interpret function notation to understand what is being asked. In the example, the input is shown using function notatiion and the question asks for the function value or… math math emporium algebra input output graph function function notation axis y. thing times notation From Tom Grant 8 plays 0
04:41 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 12 plays 0
01:04 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 9 plays 0
03:18 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 50 plays 0
03:31 Table for a linear function Table for a linear function	Table for a linear function Describes how to find output values for a function given a list of iinput values and a table to complete a set of ordered pair values. Also mentions what function notation means and how to work with… math math emporium algebra function notation function input output ordered pair times pairs multiplication parentheses period growth values linear table gook gobbledy gain meanings answers alex boxes box notice history units From Tom Grant 9 plays 0
04:21 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 22 plays 0
03:45 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 10 plays 0
02:32 Interpreting the parameters of a linear function… Interpreting the parameters of a linear function that models a real-world situation	Interpreting the parameters of a linear function that models a real-world situation Describes what the values in a linear relationship mean in a real situation. math math emporium algebra rate of change input output pay copies change dollars copy increase history rachel situation base zeroeth times decrease notice y. equation fun woman salesman function From Tom Grant 7 plays 0