Respuesta :

Answer:

f(x) = 3 - 4x^2

Step-by-step explanation:

Quadratic Equation form:   f(x) = ax² + bx + c

Quadratic function has a x (variable) with and exponent of 2.

They also leave a curve line on a coordinate plane. As you can see on the picture. ↓

Ver imagen mtango2005