Question

Is z(x) = 1 + 6x^2 + 4x a quadratic function? I don't believe it's linear or constant, just wanted to make sure.

Answer 1

Given function is

`z(x)=1+6x^2+4x`

In the given function, the maximum power of x is 2 and it is of the form

`ax^2+bx+c`

Therefore, it is a quadratic function.