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For each scatter plot, decide what type of function you might choose as a model for the data. Explain your choices.

a. Exponential

b. Reciprocal

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Johns Hopkins University

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University of Michigan - Ann Arbor

University of Nottingham

here we have a couple of scatter plots, and we want to think about what kind of function we would model them with. So we want to think back through all of the basic kinds of functions we know and what they look like. So if you look at a, it reminds me of an exponential growth function. So let's model that one with something exponential. And then if you look at B, it reminds me of part of a graph that would have this kind of shape, and that would be a rational graph or reciprocal in particular, something like F of X equals one over X is what I mean by reciprocal.