Question

Is the information below defines a function? If it does state the domain of the function.
Input: 0, 1, 2, 3, 4
Output: 1, 2, 3, 2, 1

PLZ HELP

Answer 1

Answer:

Since there is an even root, exclude any real numbers that result in a negative number in the radicand. Set the radicand greater than or equal to zero and solve for x. The solution(s) are the domain of the function.

Step-by-step explanation:

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