Question

What is the domain of the of the exponential function shown below?

Answer 1

You're right. It is D All real numbers

There are no restrictions to the value of x

Answer 2

The domain of the given function is "All real numbers". So, option D is correct.

What is the domain of a function?

• The domain of a function is the set of possible values as inputs to the function.
• The Domain of the exponential function is the set of all real numbers represented by R.

Finding the domain of the given function:

The given function is f(x) = 2×$(\frac{1}{10})^x$

Since this function has the variable x in the exponent, this is an exponential function.

So, its inputs are of all real numbers. And the domain is {x:x ∈ R}.

Thus, option D is true.

Learn more about the domain and range of a function here:

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