Question

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

−∞<y<∞

0≤x<∞

−∞<x≤0

−∞<x<∞

Answer 1

f(x) = −9x − 1 is a linear polynomial, so it is defined for every real x.

Domain: −∞ < x < ∞.