Question

A function is represented by the equation f(x)=−9x−1
. Determine the domain of this function. (1 point)
Responses

−∞<x<∞
−∞<x<∞

−∞<y<∞
−∞<y<∞

0≤x<∞
0≤x<∞

−∞<x≤0

Answer 1

The function \( f(x) = -9x - 1 \) is a linear function. Linear functions are defined for all real numbers. Therefore, the domain of this function is:

\[
-\infty < x < \infty
\]

So the correct response is:

**−∞ < x < ∞**