What is the value of y when x = 3, using the equation of a circle with radius r=5 and center (0,0)?
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What is the equation of the logarithmic function f(x) that is reflected in the y-axis and has an asymptote at x = -3, passing through the point (2, 10)?
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How many different types of triangles can be formed with side lengths 5cm, 9cm, and 10cm?