What is the domain of the exponential function shown below

- What is the domain of the exponential function shown below f(x)=3*(1/4)^x
- What is the domain of the exponential function shown below f(x)=2*(1/10)^x
- What is the domain of the exponential function shown below f(x)=2•(1/10)^x
- What is the domain of the exponential function shown below f(x)=5x3^x
- What is the domain of the exponential function shown below f(x)=5•3^x
- What is the domain and range of the exponential function shown below
- What is the domain of a function