Question

In the equation y=4^x, what values can x have?

A.
x must be an integer
B.
x must be a whole number
C.
x must be a rational number
D.
x can be any real number

Answer 1

D.
any real number :)

Answer 2

The correct option is D) x can be any real number.

Explanation:

Consider the provided equation.

`y=4^x`

The given function is in the form of Exponential function:

`y = a^x`

Here, a is 4, and it can take any value for x.

The graph can take negative as well as positive value of x.

The graph of the function is shown in figure 1.

Thus, the correct option is D) x can be any real number.