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I have a set of data points to plot as graph.

X axis: Year

Y axis: Number of deaths due to cancer.

The graph is of parabolic shape opening to the right.

Following is my question:

I have been asked to plot only the first and last points and connect those points with a straight line. Use the equation of the straight line to predict future deaths.

Can this graph be considered as a function? I am not sure how to answer this. My answer is yes and No.

Yes because, by the definition of a function, you have a certain output for a certain in put. The definition does not worry about the accuracy of the output.

No because, two points in a set of data can not accurately predict the future outcomes.

Experts... what are your thoughts?

Thank You in advance.

Gamma

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# Homework Help: Use the equation of the straight line to predict future deaths.

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