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Which expression denotes the reciprocal of f(x), not its inverse function?
Af⁻¹(x)
Bf(-x)
C(f(x))⁻¹
Df(1/x)
Answer & Solution
Correct answer: C. (f(x))⁻¹
The exponent outside the brackets means 1/f(x), whereas f⁻¹ undoes the function.
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