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

Question

Accepted Answer

Choice B is correct. The value of can be calculated by finding the values of and . The value of can be found by substituting 9 for x in the given function: . This equation can be rewritten as , or 4. Then, the value of can be found by substituting 1 for x in the given function: . This equation can be rewritten as , or 2. Therefore, , which is equivalent to 2. Choices A, C, and D are incorrect and may result from incorrectly substituting values of x in the given function or making computational errors.

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