What is the domain and range for $f(x)=(0.5)^x$ ?

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Answer 1 · 2016-12-02T08:21:38

For a real function, the domain can be any real value. The range is all positive real numbers.

graph{0.5^x [-10, 10, -5, 5]}

There is a horizontal asymptote of $x=0$ .

What is the domain and range for f(x)=(0.5)^xf(x)=(0.5)^x?