Respuesta :

Alfpfeu

Answer:

-17

Step-by-step explanation:

Hello,

[tex]y+5x^2=3\\\\<=> y=3-5x^2 =f(x)\\\\\text{So, }f(x)=3-5x^2\\\\f(2)=3-5\times 2^2=3-5\times 4 = 3-20=-17\\[/tex]

Thanks