Find the domain of the function f(x) = cos(x) + tan(x) in the interval [0, π/2].
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What is the extremum (maximum/minimum) value of f(x) = 3x^2 - 4x + 7 within the domain [0, 5]?
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Math question: What is the range of the constant function f(x) = c, where c is a fixed constant? Answer: The range of the constant function f(x) = c is the set containing only the value c. In other words, the range