Graph f(x) = log of x-2

$f (x) = \log (x - 2)$

Find the asymptotes.

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Set the argument of the logarithm equal to zero.

$x - 2 = 0$

Add $2$ to both sides of the equation.

$x = 2$

The vertical asymptote occurs at $x = 2$ .

Vertical Asymptote: $x = 2$

Find the point at $x = 3$ .

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Replace the variable $x$ with $3$ in the expression.

$f (3) = \log ((3) - 2)$

Simplify the result.

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Subtract $2$ from $3$ .

$f (3) = \log (1)$

Logarithm base $10$ of $1$ is $0$ .

$f (3) = 0$

The final answer is $0$ .

$0$

Convert $0$ to decimal.

$y = 0$

Find the point at $x = 12$ .

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Replace the variable $x$ with $12$ in the expression.

$f (12) = \log ((12) - 2)$

Simplify the result.

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Subtract $2$ from $12$ .

$f (12) = \log (10)$

Logarithm base $10$ of $10$ is $1$ .

$f (12) = 1$

The final answer is $1$ .

$1$

Convert $1$ to decimal.

$y = 1$

Find the point at $x = 4$ .

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Replace the variable $x$ with $4$ in the expression.

$f (4) = \log ((4) - 2)$

Simplify the result.

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Subtract $2$ from $4$ .

$f (4) = \log (2)$

The final answer is $\log (2)$ .

$\log (2)$

Convert $\log (2)$ to decimal.

$y = 0.30102999$

The log function can be graphed using the vertical asymptote at $x = 2$ and the points $(3, 0), (12, 1), (4, 0.30102999)$ .

Vertical Asymptote: $x = 2$

$\begin{array}{c} x & y \\ 3 & 0 \\ 4 & 0.301 \\ 12 & 1 \end{array}$

Graph f(x) = log of x-2

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