Respuesta :

Answer:

The value of f(9) is equal to 498.

Step-by-step explanation:

Given that,

f(x) = 6x²+12

We need to find the value of x(9).

Put x = 9 in the given function.

f(9) = 6(9)²+12

f(9) = 498

So, the value of f(9) is equal to 498.