Question

$\log_{a}x$ is defined for $(a > 0)$.

• A. All real x
• B. All negative real $x \neq 1$
• C. All positive real $x \neq 0$
• D. $a \geq e$

Answer 1

Answer: (C)

All positive real $x \neq 0$

Answer 2

$e^{4}$is defined for all positive real $\frac{e^{2} - 1}{e^{2}}$.