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Indietro

Chapter two lesson 1

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  • Domain


    the x-value

  • Range


    the y-value

  • Relation


    any set of ordered pairs (x,y)

  • Function


    The x-value cannot repeat, although the y-value can.

  • Independent Variable


    x; it can be assigned any value form the domain

  • Dependent Variable


    y; it depends on the x-value

  • Function Notation


    notation used to "name" a function so one can refer to easier

  • f(x) represents?


    y

  • Zeros of a Function


    where the graph crosses the x-axis. f(x)=0

  • y-intercept


    where the graph crosses the y-axis

  • how many x-intercepts can there be?


    there can be \(\infty\) x-intercepts

  • Piecewise Function


    a function that is defined by two (or more) equations over a specific domain

  • Relative Maxima


    the highest y-values points on the function

  • Relative Minima


    the lowest y-value points on the function

  • Increasing


    the function is rises from left to right

  • Decreasing


    the function is falls from left to right

  • Constant


    the function does not change from left to right

  • How do you write increase, decrease, and constant?


    interval notations. you are following it from left to right, so you are using the domain. Only use parentheses.

  • Even Function


    If you split the graph with the y-axis, it looks the same on both the left and right side

  • Odd Function


    If you rotate the graph 180 degrees, it looks like the same original graph