Math Question: Calculate the value of log(base 2)(16) + log(base 3)(81) - log(base 4)(64).
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Find the value of x if f(x) = 10^x - e^x, given that the function satisfies the characteristics of an exponential function.
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Question: "For the exponential function y = 2^x, graph the values of y for x = -2, -1, 0, 1, and 2. Identify the coordinates of these points on the graph.