Find the Domain y=4x

Problem

y=4*x

Solution

1. Identify the type of function given. The equation y=4*x is a linear function, which is a specific type of polynomial function.

2. Determine if there are any restrictions on the input variable x For polynomial functions, there are no denominators that could be zero and no even-indexed roots (like square roots) containing the variable.

3. Conclude that since x can be any real number without making the expression undefined, the domain consists of all real numbers.

Final Answer

Domain: *(−∞,∞)

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