# Graph log base 3 of x+3

Find the asymptotes.
Set the argument of the logarithm equal to zero.
Subtract from both sides of the equation.
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 .
Convert to decimal.
Find the point at .
Replace the variable with in the expression.
Simplify the result.
Logarithm base of is .
Convert to decimal.
Find the point at .
Replace the variable with in the expression.
Simplify the result.
Logarithm base of is .
Rewrite as an equation.
Rewrite in exponential form using the definition of a logarithm. If and are positive real numbers and does not equal , then is equivalent to .
Create equivalent expressions in the equation that all have equal bases.
Since the bases are the same, the two expressions are only equal if the exponents are also equal.
The variable is equal to .