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Does the table below appear to represent a function? If so, write an equation using function notation. If not, explain why it cannot represent a function.   

Figure #

# of tiles

There can only be one -value for each -value in a function.

Plot the points on a graph and draw a slope triangle or use another method to find the slope.
The -intercept is given in the chart when .

Input the points into the table in the eTool below to determine if it represents a function.
Click the link at the right to view full version of the eTool: 2-86 HW eTool