Observe the table:
\The number of subintervals are .
The function values are ,
,
,
and
.
(a) Approximate the integral using the Trapezoidal Rule.
Trapezoidal rule :
\.
Substitute ,
,
,
and
.
.
Using the Trapezoidal rule .
Approximate the integral using the Simpsons Rule.
Simpsons rule :
\.
Substitute ,
,
,
and
.
.
Using the Simpsons Rule .
(b)
\Graph:
\Plot the points: ,
and
.
Draw the curve.
\By graphing utility, the equation is .
The integral is .
.
.
(a)
\Trapezoidal Rule .
Simpsons Rule .
(b) The equation is .
.