Question

Is a(x) = –2x3 + 2x – 6 a quadratic function?

Answer 1

Answer:

NO

Step-by-step explanation:

The quadratic function:

$f(x)=ax^2+bx+c$

We have

$a(x)=-2x^3+2x-6$

x is in third power, therefore it's not a quadratic function.