The function f(x) = 2·5x can be used to represent the curve through the points (1, 10), (2, 50), and (3, 250). What is the multiplicative rate of change of the function?

5

Explanation:

The function is , which means that an increase of a unit in x leads to a multiplicative rate of change of 5 in y. For instance:

Therefore, it is proven that:

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