Graphing Continuous vs Discrete Functions

A continuous function allows the x-values to be ANY points in the interval, including fractions, decimals, and irrational values. |
A discrete function allows the x-values to be only certain points in the interval, usually only integers or whole numbers.: |

Graph the continuous function: • Enter the function into "y=". Notice that all of the visable points are connected with a continual drawing. |
Graph the discrete function: • We cannot limit the point choices in "y=". We need a different approach, the scatter plot. Notice that only the integer values are plotted. The points are NOT connected. |

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