Respuesta :
Look at the attached picture
Hope it will help you..
Good luck on your assignment
~pragya

Answer:
[tex]13[/tex]
Step-by-step explanation:
[tex]3x + \frac{1}{4} {y}^{2} \\ 3 \times 3 + \frac{1}{4} \times 4 \times 4 \\ 9 + \frac{16}{4} \\ 9 + 4 \\ = 13[/tex]