Find the Domain 25+0.40x

Problem

25+0.40*x

Solution

1. Identify the type of function provided. The expression 25 + 0.40x$ is a linear polynomial.

2. Determine if there are any restrictions on the variable x Polynomial functions do not contain square roots of negative numbers, logarithms of non-positive numbers, or divisions by zero.

3. Conclude that since there are no mathematical operations that restrict the input, the variable x can be any real number.

Final Answer

Domain: *(−∞,∞)

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