Question

Find:
A = The (real) domain of the function f(x) = Ln| x |

B = The (real) domain of the function f(x) = 1/x

Answer 1

A. The domain of f(x) = Ln |x| is (-∞0)U(0, ∞).
B. The domain of f(x) = 1/x is (-∞0)U(0, ∞).