Calculus Examples

Graph x/( natural log of x)
Step 1
Find the asymptotes.
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Step 1.1
Find where the expression is undefined.
Step 1.2
Since as from the left and as from the right, then is a vertical asymptote.
Step 1.3
Since the limit does not exist, there are no horizontal asymptotes.
No Horizontal Asymptotes
Step 1.4
No oblique asymptotes are present for logarithmic and trigonometric functions.
No Oblique Asymptotes
Step 1.5
This is the set of all asymptotes.
Vertical Asymptotes:
No Horizontal Asymptotes
Vertical Asymptotes:
No Horizontal Asymptotes
Step 2
Find the point at .
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Step 2.1
Replace the variable with in the expression.
Step 2.2
The final answer is .
Step 2.3
Convert to decimal.
Step 3
Find the point at .
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Step 3.1
Replace the variable with in the expression.
Step 3.2
The final answer is .
Step 3.3
Convert to decimal.
Step 4
Find the point at .
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Step 4.1
Replace the variable with in the expression.
Step 4.2
Simplify the result.
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Step 4.2.1
Rewrite as .
Step 4.2.2
Expand by moving outside the logarithm.
Step 4.2.3
Cancel the common factor of and .
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Step 4.2.3.1
Factor out of .
Step 4.2.3.2
Cancel the common factors.
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Step 4.2.3.2.1
Factor out of .
Step 4.2.3.2.2
Cancel the common factor.
Step 4.2.3.2.3
Rewrite the expression.
Step 4.2.4
The final answer is .
Step 4.3
Convert to decimal.
Step 5
The log function can be graphed using the vertical asymptote at and the points .
Vertical Asymptote:
Step 6