Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
-$$\int _ { 0 } ^ { 9 } x d x$$
A) $\frac { 81 } { 4 }$
B) $\frac { 81 } { 2 }$
C) 81
D) $\frac { 405 } { 8 }$

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The Answer of Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
-$$\int _ { 0 } ^ { 9 } x d x$$
A) $\frac { 81 } { 4 }$
B) $\frac { 81 } { 2 }$
C) 81
D) $\frac { 405 } { 8 }$

Use the Trapezoidal Rule with N = 4 Steps to Estimate