Question: Find the y-coordinate when x = 3 for the circle function with equation x^2 + y^2 = 25.
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Math Question: What is the smallest positive integer solution to the equation x^n + y^n = z^n, where n > 2 as per Fermat's Theorem?
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Question: Graph the exponential function y = 2^x on a coordinate plane. What are the x and y-intercepts, and what is the value of y when x = 3? Use an appropriate scale for the axes.