How to solve

Consider the definite integral $I={\displaystyle \underset{1}{\overset{2}{}}}{e}^{x^2+2}dx.$ Using composite Simpson's rule with $n=4,$ the approximation of I is

$1\mathrm{.}11389$

$2\mathrm{.}42182$

$3\mathrm{.}97878$

$3\mathrm{.}21931$