For the function f defined above, what is the value of ?

Question

Accepted Answer

Choice C is correct. The value of is found by evaluating the expression when . Substituting 2 for x in the given equation yields . Simplifying in the equation results in . Evaluating the right-hand side of the equation yields . Therefore, the value of is 18. Choice A is incorrect and may result from evaluating the expression as . Choice B is incorrect and may result from evaluating the expression as . Choice D is incorrect and may result from evaluating the expression as .

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