Write the Word or Phrase That Best Completes Each Statement $f(x)=a^{x}$

Essay

Write the word or phrase that best completes each statement or answers the question.
- $f(x)=a^{x}$
The graph of an exponential function with base a is given. Is a $>1$ or is $0<a<1$ ? Explain how you arrived at your answer. Give the domain and range of $\mathrm{f}$ .