Search for tag: "function"

19 Media

04:10 Word problem involving the maximum or minimum of… Word problem involving the maximum or minimum of a quadratic function	Word problem involving the maximum or minimum of a quadratic function This video explains the situation we are trying to minimize or maximize and the role of the input and output variables. Then the process of finding the location and value of the requested amount is… math math emporium quadratic function minimum maximum cost cars point times axis unit formula vertex sketch market basis amount division marketing x. question answer factory spot From Tom Grant 8 plays 0
03:31 Evaluating an exponential function that models a… Evaluating an exponential function that models a real-world situation	Evaluating an exponential function that models a real-world situation This shows how to enter a value into a function to get a result for something like depreciation of value over time for a purchased item. math math emporium exponential function evaluate power button times calculator dollar point decimal digit round answer places press calculators operations scratch lips purchase brand naught From Tom Grant 7 plays 0
01:55 Table for an exponential function Table for an exponential function	Table for an exponential function Shows how to plug in the given x--values and get values for f(x) = b^x math math emporium exponential negative exponent a^0 = 1 function power fourth values exponent half box turn means exponents x. row variable table From Tom Grant 5 plays 0
04:06 Finding the maximum or minimum of a quadratic… Finding the maximum or minimum of a quadratic function	Finding the maximum or minimum of a quadratic function This shows how to decide whether you are seeking a maximum or minimum value for a quadratic function and then how to find the vertex of i ts parabola to deternine the x-value that locates the min… math math emporium vertex minimum maximum function times answers point directions a. thing x. minus areas b. formula words input occur answer corner From Tom Grant 8 plays 0
05:44 Graphing a parabola of the form y = ax^2 + bx +… Graphing a parabola of the form y = ax^2 + bx + c: Integer coefficients	Graphing a parabola of the form y = ax^2 + bx + c: Integer coefficients This shows how to find the vertex of a parabola and then calculate the matching points one unit and two units to the left and right of hte axis of symmetry math math emporium graph parabola vertex axis of symmetry times 80y points point units symmetry axis unit function manner idea pen curve side matching direction minus From Tom Grant 20 plays 0
02:56 Finding the vertex, intercepts, and axis of… Finding the vertex, intercepts, and axis of symmetry from a graph of a parabola	Finding the vertex, intercepts, and axis of symmetry from a graph of a parabola This gives a graph of a parabola which is the graph of a quadratic equation or function. The demonstration first includes classifying it as a parabola that is opening downward or upward. Then it… math math emporium parabola quadratic equation function axis of symmetry x-intercept y-intercept vertex axis intercepts symmetry equation graph answers comma coordinates courses cross crosses lines middle water cup dome downward From Tom Grant 9 plays 0
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 10 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 66 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 69 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 22 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 15 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 18 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 13 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 74 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 12 plays 0