FunctionHard

Question

Which of the following functions are equal ?

Options

A.f(x) = x, g(x) = √x²

B.f(x) = log x² , g(x) = 2 log x

C.f(x) = 1, g(x) = sin²x + cos² x

D.f(x) = x/x, g(x) = 1

Solution

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