Which description matches the function represented by the values in this table?

ANSWER

An exponential decay

EXPLANATION

From the given table, the y-values are


We can observe that,



This is an exponential function and since the absolute value of the common ratio is less than 1, it is an exponential decay.

The formula for this function is,





or



This function is of the form


Since

is an exponential decay function

The correct answer is C.

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