Use the Error Formula to Estimate the Error in Approximating $$\int _ { 3 } ^ { 6 } ( 9 x + 1 ) d x$$

Multiple Choice

Use the error formula to estimate the error in approximating the integral
$$\int _ { 3 } ^ { 6 } ( 9 x + 1 ) d x$$ with $n = 4$ using Trapezoidal Rule.

A) 3
B) 1
C) 6
D) 0
E) 9