Set the argument of the logarithm equal to zero.

Divide each term by and simplify.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Divide by .

The vertical asymptote occurs at .

Vertical Asymptote:

Vertical Asymptote:

Replace the variable with in the expression.

Simplify the result.

Multiply by .

Logarithm base of is .

The final answer is .

Convert to decimal.

Replace the variable with in the expression.

Simplify the result.

Multiply by .

The final answer is .

Convert to decimal.

Replace the variable with in the expression.

Simplify the result.

Multiply by .

The final answer is .

Convert to decimal.

The log function can be graphed using the vertical asymptote at and the points .

Vertical Asymptote:

Graph f(x) = log of 2x