Comparing linear functions: table vs. graph (2) (Full video)

Khan Academy

Supporting grades: 8

Description: Sal is given a table of values of a linear function and four linear graphs, and is asked to determine which graph increases faster than the function represented in the table. Created by Sal Khan. So when we're talking about increasing faster, we're really talking about a higher rate of change of y with respect to f, or a higher rate of change of the vertical axis with respect to the horizontal axis, which is another way of saying which of these have a steeper slope than the function f? So let's see what the change in our vertical axis is with respect to our change in our horizontal axis. Now, let's see which of these increase faster.

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