QUESTION $6-1$ POINT

Calculate the absolute error in the estimate of ${\displaystyle \underset{-1}{\overset{3}{}}}(4x^2-x)dx$ using the Trapezoid rule with $n=2$

Enter answer using exact values.

Provide your answer below:

Absolute error $=$ units ${?}^2$

$7$

$8$

$9$

$$

$x$

$y$

$x^2$