Find the Domain x-y=8

Problem

x−y=8

Solution

1. Solve the equation for y to express it as a function of x

y=x−8

2. Identify the type of function.
   The equation represents a linear function.

3. Determine any restrictions on the input variable x
   Since there are no denominators containing x no square roots of negative values, and no logarithms, x can be any real number.

4. Express the domain in interval notation.
   The domain includes all real numbers from negative infinity to positive infinity.

Final Answer

Domain: *(−∞,∞)

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