Find the Domain y=400

Problem

y=400

Solution

1. Identify the type of function. The given equation y=400 is a constant function.

2. Determine the constraints on the input variable x In a constant function, the output y is the same for every possible real number value of x

3. Conclude that there are no values of x that make the expression undefined (such as division by zero or square roots of negative numbers). Therefore, the domain consists of all real numbers.

Final Answer

Domain: *(−∞,∞)

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