Question

Perform the requested operation or operations.

Answer 1

Answer:

$4x+9+4x^2$

Step-by-step explanation:

The given functions are:

$f(x)=4x+9$ and $g(x)=4x^2$

We want to find $(f+g)(x)$.

Recall that:

$(f+g)(x)=f(x)+g(x)$

We substitute the functions to get:

$(f+g)(x)=4x+9+4x^2$

We now write in standard form to obtain:

$(f+g)(x)=4x^2+4x+9$