What is the vertical asymptote of the logarithmic function ?

Answer and explanation

Correct answer: A.

  1. Step 1: The natural logarithm approaches as its argument approaches from the right ().
  2. Step 2: Set the argument equal to zero: .
  3. Step 3: Solve for : .
Answer
.
Why not the others: '' forgets to divide by 2; '' is the vertical asymptote of ; '' uses the wrong sign.

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