Respuesta :

The domain of a function is all the x-values which it passes through.  The function is a continuous exponential function, and therefore, it will contain every x value.  The answer is:

The domain of the function is negative infinity to positive infinity.

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The domain of a function is the set of input values, the function can take.

The domain of the function is negative infinity to positive infinity,

The function is given as:

[tex]\mathbf{y = 4^x}[/tex]

The function is an exponential function, and there are no restriction as to the input values of an exponential function.

i.e: [tex]\mathbf{(-\infty, \infty)}[/tex]

Hence, the domain of the function is negative infinity to positive infinity,

Read more about domain at:

https://brainly.com/question/17440903