Find the Domain y=x+1

Problem

y=x+1

Solution

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

2. Determine if there are any restrictions. For a function to have a restricted domain, there must be operations that are undefined for certain real numbers, such as division by zero or taking the square root of a negative number.

3. Analyze the expression x+1 Since addition is defined for all real numbers, there are no values of x that would make the expression undefined.

4. Conclude the domain. The domain consists of all real numbers, which can be written in interval notation or as a set.

Final Answer

Domain:(−∞,∞)

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