Question: Determine the x-intercept(s) of the reciprocal function f(x) = 1/x.
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What is the derivative of the function f(x) = ∫[0, x] cos(t^2) dt?
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Question: What are the characteristics of a parabolic function in the form 𝑦 = 𝑎𝑥²? Describe its vertex, axis of symmetry, direction of opening, and whether it is concave up or concave down.