Respuesta :

[tex]\sqrt[]{x}\le4[/tex]

we can replace the value of X for each option and check the inequality

A.20

[tex]\begin{gathered} \sqrt[]{20}\le4 \\ 4.47\le4 \end{gathered}[/tex]

the inequality is wrong because 4.47 is greater than 4

B.12

[tex]\begin{gathered} \sqrt[]{12}\le4 \\ 3.46\le4 \end{gathered}[/tex]

The inequality is right because 3.46 is less than 4

C.2

[tex]\begin{gathered} \sqrt[]{2}\le4 \\ 1.41\le4 \end{gathered}[/tex]

The inequality is right because 1.41 is less than 4

D.5

[tex]\begin{gathered} \sqrt[]{5}\le4 \\ 2.23\le4 \end{gathered}[/tex]

inequality is right because 2.23 is less than 4

E. -1

[tex]\sqrt[]{-1}\le4[/tex]

we can calculate the root of a negative number then the option is wrong