Respuesta :

Answer:

f(x) = 3x²

Step-by-step explanation:

Quadratic Function :-

[tex]:\implies[/tex] The function whose highest degree of variable is 2 is called a quadratic function .

  • On looking at the given options , we see that the third options satisfies the definition of Quadratic Function . That is,

[tex]:\implies[/tex] f(x) = 3x²

Hence the third option is correct .