Respuesta :

The initial expression is:

[tex]5x+\frac{1}{2}y^2[/tex]

Repacing x by 3 and y by 2, we get:

[tex]\begin{gathered} 5(3)+\frac{1}{2}(2)^2 \\ 15+\frac{1}{2}(4) \\ 15+2 \\ 17 \end{gathered}[/tex]

So, the value of the expression is 17.