The function is .
Intercept:
\Find the -intercept,
.
.
The-intercept is
Find the -intercept,
.
The -intercept is
.
Find the extrema for .
Differentiate on each side with respect to .
Quotient rule of derivatives : .
.
.
To find the critical numbers, evaluate .
.
and
.
and
.
,
and
.
The critcal point are ,
and
.
To find the points of inflection of the graph , then either
.
The first derivative of is
.
Differentiate on each side with respect to .
.
.
The second derivative of is
.
To find inflection points, evaluate .
.
,
and
.
Imaginary roots are not considered.
\The possible inflection points occurs at .
The critcal points are ,
,
and
.
Relative extrema points exist at critical numbers.
\Substitute in the function.
.
Substitute in the function.
.
Substitute in the function.
.
Perform second derivative test to identify the nature of the extrema.
\Test value | \Sign of ![]() | \
Conclusion | \
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\
| \
No conclusion | \
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\
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Relative minimum | \
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\
| \
Relative maximum | \
Relative maximum point is
Relative minimum point is .
Find asymptote of function .
To find horizontal asymptote .
Take common terms numerator and denominator by .
Substitute As Then
.
No horizontal asymptote.
\To find vertical asymptote,equate denominator to zero.
\The vertical asymptote is and
.
Find the slant asymptote by long division method.
\Therefore, the function is reduced as .
The slant asymptote is the polynomial part of the reduced expreession.
\Therefore, slant asymptote is .
Graph :
\Graph the function .
Note:The dashed lines indicates horizontal asymptote.
\\
Intercepts is .
The critcal points are ,
,
and
.
Relative maximum point is
Relative minimum point is .
The inflection points occurs at .
No horizontal asymptote.The vertical asymptote is and
.
Intercepts is .
The critcal points are ,
,
and
.
Relative maximum point is
Relative minimum point is .
The inflection points occurs at .
No horizontal asymptote.The vertical asymptote is and
.