Relations And Functions Practice Questions Ques19
Question: What is the range of the function $f(x) = |x|$?
Options:
(A) All real numbers
(B) All non-negative real numbers
(C) All positive real numbers
(D) All integers
Show Answer
Answer: B
Explanation:
(A) Incorrect. The absolute value function cannot produce negative numbers
(B) Correct. The absolute value function returns non-negative values for all real inputs
(C) Incorrect. The absolute value of 0 is 0, which is not positive
(D) Incorrect. The absolute value function can produce non-integer values