Use the Comparison Theorem $to$ determine which $of$ the following integrals $is$

convergent.

Select the correct answer.

${\displaystyle \underset{1}{\overset{}{}}}7\frac{\sqrt[\phantom{2}]{1+\sqrt[\phantom{2}]{10x}}}{\sqrt[\phantom{2}]{10x}}dx$

${\displaystyle \underset{1}{\overset{}{}}}4\frac{co{s}^{2}7x}{2+x^2}dx$