Graph the Function and Write the Domain and Range in Interval

Multiple Choice

Graph the function and write the domain and range in interval notation.
- $$f ( x ) = \left( \frac { 1 } { 2 } \right) ^ { x }$$

A)

Domain: $(0, \infty)$
Range: $(-\infty, \infty)$

B)


Domain: $( - \infty , \infty )$
Range: $( 0 , \infty )$
C)

Domain: $( 0 , \infty )$
Range: $( - \infty , \infty )$
D)

Domain: $( - \infty , \infty )$
Range: $( 0 , \infty )$