Question: Consider a circle function with the equation x^2 + y^2 = r^2. Find the value of y when x = 3, given that r = 5 and x and y are both positive integers.
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What is the value of sin(pi/4)?
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Graph the logarithmic function y = log(base 2)(x), where x is the input and y is the output. Calculate the y-coordinate when x = 8.