# Graph f(x)=4 log base 2 of x Find the asymptotes.
Set the argument of the logarithm equal to zero.
Solve for .
Take the 4th root of both sides of the equation to eliminate the exponent on the left side.
Simplify the right side of the equation.
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
is equal to .
The vertical asymptote occurs at .
Vertical Asymptote:
Vertical Asymptote:
Find the point at .
Replace the variable with in the expression.
Simplify the result.
Logarithm base of is .
Multiply by .
The final answer is .
Convert to decimal.
Find the point at .
Replace the variable with in the expression.
Simplify the result.
Logarithm base of is .
Multiply by .
The final answer is .
Convert to decimal.
Find the point at .
Replace the variable with in the expression.
Simplify the result.
Logarithm base of is .
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:
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