Given the expression:
[tex]\text{ }\frac{x^3}{2}+4y+5z^2[/tex]
The term that involves the variable x is x^3/2.
Let's determine its coefficient:
[tex]\text{ }\frac{x^3}{2}\text{ = }\frac{1}{2}x^3[/tex]
Therefore, the coefficient of the term that involves the variable x is 1/2.
