Answer and explanation

Correct answer: A.

  1. Step 1: Rewrite in exponential form: .
  2. Step 2: So .
Answer
.
Why not the others: : The base was multiplied by 4 instead of raised to that power. : The constant was added instead of subtracted. : The base and exponent were swapped.

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Solve log 5 (x+12)=4. | Egyptian Scholastic Test (EST)