Question

What is the domain of f(x)=(1/2)^x

x<0
x>0
All real numbers
y>0

Answer 1

The function \( f(x) = \left( \frac{1}{2} \right)^x \) is defined for all real numbers \( x \). Therefore, the domain of \( f(x) \) is:

**All real numbers.**

So the correct answer is: **All real numbers.**