For the function f defined above, what is the value of ?
A
9
B
12
C
18
D
36
Correct answer: C
Explanation
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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id cb_question_bank:740a6886-7296-4cdf-8ca5-d250bc3569c8 · question 75915e3c · IBN 032723-DC
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