What is the vertex form of the quadratic function y = 3(x-2)^2 - 5?
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What is the mode of the following set of numbers: 5, 7, 7, 9, 9?
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What is the general form of the exponential function that represents growth and decay, and what are the key characteristics of two specific exponential functions f(x) = 10^x and f(x) = e^x?