Answer and explanation

Correct answer: C.

  1. Step 1: Rewrite in exponential form: . Step 2. Subtract 1: , and so the logarithm is defined. **Answer: . Why not the others:** is , is , and adds 1 instead of subtracting it.

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Solve log 2(x + 1) = 4. | Matura Shtetërore (Albania)