Answer:
Explanation:
The domain of the function f(x) = 7^x is all real numbers.
A function's domain is the set of all input values (x-values) for which the function returns a valid result (y-value). The input value x for the function f(x) = 7x can be any real number. This is because the equation 7x is a real number and an acceptable output value for any real number x. As a result, the domain of f(x) = 7x is defined as (-infinity, +infinity).
It is worth noting that when x is a negative number, 7x is a fraction. In addition, when x is 0, 7x equals 1. And if x is positive, 7x will be bigger than zero.
In conclusion, the domain of f(x) = 7x is all real numbers since the function may take any real integer as input and output a valid result.