The function is .
The domain of the function is all real numbers except .
Intercepts:
\Find the -intercept by substituting
in
.
Since the equation has no real solutions, there are no -intercepts.
Find the -intercept by substituting
in
.
The -intercept is
.
Find the extrema of .
Differentiate on each side with respect to .
.
Find the critical numbers by solving .
.
.
Substitute in
.
.
The first derivative is undefined when .
Relative maximum at .
The critical numbers are .
Consider the test intervals ,
,
and
.
Consider the test intervals as and
.
\
Interval \ | \
Test Value | \Sign of ![]() | \
Conclusion | \
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\
| \
Increasing | \
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\
| \
Increasing | \
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\
| \
Decreasing | \
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\
| \
Decreasing | \
Find the points of inflection.
\.
.
Equate to
.
The second derivative is undefined when .
Therefore, there is no inflection points.
\Check the concavity at undefined values.
\Consider the test intervals ,
and
.
\
Interval \ | \
Test Value | \Sign of ![]() | \
Concavity | \
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\
| \
Up | \
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\
| \
Down | \
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\
| \
Up | \
Find asymptotes of function .
Find the horizontal asymptote by evaluating .
Substitute As Then
.
The horizontal asymptote is .
Find the vertical asymptote by equating denominator to zero.
\The vertical asymptote are at and
.
Graph the function .
The domain of the function is all real numbers except .
There is no intercepts.
\Vertical asymptotes are at .
The horizontal asymptote is .
Relative maximum at .
There is no inflection points.
\Graph:
\Draw the coordinate plane.
\Plot the asymptotes and local minimum.
\Connect the curve with plotted points.
\Graph of the function .
Graph of the function .
.