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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…
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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.
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Demonstates how to interpret a graph of a system of functions so that common questions that someone might have can be answered.
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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.
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Just showiing how to locate and write down the x-intercepts and y-intecepts when looking at a graph
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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…
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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. …
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Shows how to input an expression in place of the orignial variable input, and then simplify.
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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.
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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…
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This demonstrates why and how to use vertical lines to test whether a graph of any relation is a function or not.
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Discussion of what relations and functions are and then some exapmles of how to indentify if a particular relation is more specifically a function.
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Describes what the values in a linear relationship mean in a real situation.
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