Search for tag: "function"

20 Media

Word problem involving the maximum or minimum of… duration 4 minutes 10 seconds 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 +24 More From Tom Grant 11 plays 0
Evaluating an exponential function that models a… duration 3 minutes 31 seconds 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 +23 More From Tom Grant 11 plays 0
Table for an exponential function duration 1 minute 55 seconds 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 +18 More From Tom Grant 11 plays 0
Finding the maximum or minimum of a quadratic… duration 4 minutes 6 seconds 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 +21 More From Tom Grant 13 plays 0
Graphing a parabola of the form y = ax^2 + bx +… duration 5 minutes 44 seconds 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 +22 More From Tom Grant 23 plays 0
Finding the vertex, intercepts, and axis of… duration 2 minutes 56 seconds 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 +25 More From Tom Grant 26 plays 0
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 +22 More From Tom Grant 18 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 +15 More From Tom Grant 8 plays 0
Interpreting the graphs of two functions duration 3 minutes 45 seconds 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 +24 More From Tom Grant 75 plays 0
Graphing a function of the form f (x) = ax + b:… duration 2 minutes 11 seconds 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 +18 More From Tom Grant 108 plays 0
Finding intercepts of a nonlinear function given… duration 1 minute 39 seconds 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 +16 More From Tom Grant 35 plays 0
Finding an output of a function from its graph duration 1 minute 2 seconds 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 +12 More From Tom Grant 29 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 +26 More From Tom Grant 31 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 +13 More From Tom Grant 40 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 +23 More From Tom Grant 111 plays 0
Table for a linear function duration 3 minutes 31 seconds 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 +27 More From Tom Grant 14 plays 0