What is the domain of the function f(x)?
Consider the following for the two (02) items that follow : Let the curve f(x)=|x-3|.
- A. (0,\infty)
- B. (3,\infty)
- C. (-\infty,\infty) ✓
- D. (-\infty,\infty)\backslash\{3\}
Correct Answer: C. (-\infty,\infty)
Explanation
The absolute value function f(x) = |x-3| is defined for all real numbers. There are no restrictions, so the domain is (-\infty, \infty).
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