From the table below, determine whether the data shows an exponential function. Explain why or why not. x36912y1248

The x-values increase by equal intervals of 3: 3, 6, 9, and 12. For each increase of 3 in x, the y-value is multiplied by 2: 1, 2, 4, and 8. This consistent multiplicative change shows that the data follows an exponential pattern, so choice D is correct.

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