If , what is ?
Answer and explanation
Correct answer: B. 16
- Step 1: Substitute into : .
- Step 2: Compute each term: , and .
- Step 3: Combine: .
Answer
.
Why not the others: - 17 makes an arithmetic addition miscalculation. - -2 is the constant term of the function. - 10 evaluates , treating as .
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