Question

Find the domain of the function.

f(x) = -2x + 4
A. (-∞, 0) (0, ∞)

B. (-∞, ∞)

C. [-4, ∞)

D. (0, ∞)

Answer 1

The domain is any real number, so (-inf, inf)

Answer 2

Domain of a function -> all the values that x can be.

Answer 3

For example if you had f(x) = 1/x, your domain would be all the real numbers except for 0, because you can't have 1/0